Surpass Hit 7025

© Nokia Siemens Networks

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SURPASS hiT 7025 4.1

Technical Manual

A42022-L5974-A151-2-7618

Technical Manual

2 (132) © Nokia Siemens Networks

A42022-L5974-A151-2-7618Issue: 2 Issue date: Sep 2007

The information in this document is subject to change without notice and describes only the product defined in the introduction of this documentation. This documentation is intended for the use of Nokia Siemens Networks customers only for the purposes of the agreement under which the document is submitted, and no part of it may be used, reproduced, modified or transmitted in any form or means without the prior written permission of Nokia Siemens Networks. The documentation has been prepared to be used by professional and properly trained personnel, and the customer assumes full responsibility when using it. Nokia Siemens Networks welcomes customer comments as part of the process of continuous development and improvement of the documentation. The information or statements given in this documentation concerning the suitability, capacity, or performance of the mentioned hardware or software products are given “as is” and all liability arising in connection with such hardware or software products shall be defined conclusively and finally in a separate agreement between Nokia Siemens Networks and the customer. However, Nokia Siemens Networks has made all reasonable efforts to ensure that the instructions contained in the document are adequate and free of material errors and omissions. Nokia Siemens Networks will, if deemed necessary by Nokia Siemens Networks, explain issues which may not be covered by the document. Nokia Siemens Networks will correct errors in this documentation as soon as possible. IN NO EVENT WILL NOKIA SIEMENS NETWORKS BE LIABLE FOR ERRORS IN THIS DOCUMENTATION OR FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO SPECIAL, DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL OR ANY LOSSES, SUCH AS BUT NOT LIMITED TO LOSS OF PROFIT, REVENUE, BUSINESS INTERRUPTION, BUSINESS OPPORTUNITY OR DATA,THAT MAY ARISE FROM THE USE OF THIS DOCUMENT OR THE INFORMATION IN IT. This documentation and the product it describes are considered protected by copyrights and other intellectual property rights according to the applicable laws. The wave logo is a trademark of Nokia Siemens Networks Oy. Nokia is a registered trademark of Nokia Corporation. Siemens is a registered trademark of Siemens AG. Other product names mentioned in this document may be trademarks of their respective owners, and they are mentioned for identification purposes only. Copyright © Nokia Siemens Networks 2007. All rights reserved.

f Important Notice on Product Safety Elevated voltages are inevitably present at specific points in this electrical equipment.Some of the parts may also have elevated operating temperatures. Non-observance of these conditions and the safety instructions can result in personal injury or in property damage. Therefore, only trained and qualified personnel may install and maintain the system. The system complies with the standard EN 60950-1 / IEC 60950-1. All equipment connected has to comply with the applicable safety standards. The same text in German: Wichtiger Hinweis zur Produktsicherheit In elektrischen Anlagen stehen zwangsläufig bestimmte Teile der Geräte unter Spannung. Einige Teile können auch eine hohe Betriebstemperatur aufweisen. Eine Nichtbeachtung dieser Situation und der Warnungshinweise kann zu Körperverletzungen und Sachschäden führen. Deshalb wird vorausgesetzt, dass nur geschultes und qualifiziertes Personal die Anlagen installiert und wartet. Das System entspricht den Anforderungen der EN 60950-1 / IEC 60950-1. Angeschlossene Geräte müssen die zutreffenden Sicherheitsbestimmungen erfüllen

Technical Manual

A42022-L5974-A151-2-7618 Issue: 2 Issue date: Sep 2007


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Statements of compliance

CE statement

The CE conformity declaration for the product is fulfilled when the system is built and cabled in line with the information given in the manual and the documentation specified within it, such as installation instructions, cable lists or the like. Where necessary project-specific documentation should be taken into consideration. Deviations from the specifications or independent modifications to the layout, such as use of cable types with lower screening values for example, can lead to violation of the CE protection requirements. In such cases the conformity declaration is invalidated. The responsibility for any problems which subsequently arise rests with the party responsible for deviating from the installation specifications.

Technical Manual



Contents

1 Notes on this Documentation............................................................... 9 1.1 Customer Documentation........................................................................ 9 1.2 Complementary Documents .................................................................. 10 1.3 Symbols Used in the Customer Documentation.................................... 10 1.3.1 Symbol for Warnings ............................................................................. 10 1.3.2 Symbols for Notes ................................................................................. 10 1.3.3 Symbols for Menu Displays and Text Inputs ......................................... 11 1.4 Notes on Licensed Software.................................................................. 11 1.5 Standard Compliance ............................................................................ 11

2 Introduction.......................................................................................... 13 2.1 Application Types .................................................................................. 14 2.1.1 Terminal Multiplexer Type ..................................................................... 14 2.1.2 Add/Drop Multiplexer Type .................................................................... 15

3 Overview of the Main Features........................................................... 16

4 Network Applications.......................................................................... 19 4.1 Terminal-to-Terminal Topologies........................................................... 19 4.2 Linear Topologies with Add/Drop Function............................................ 20 4.3 Ring Network Functionality.................................................................... 21 4.3.1 Single Ring ............................................................................................ 21 4.3.2 Dual Ring Interworking .......................................................................... 22 4.4 Data Service Applications...................................................................... 23 4.4.1 Ethernet Private Line (EPL)................................................................... 23 4.4.2 Ethernet Virtual Private Line (EVPL) ..................................................... 24 4.4.3 Ethernet Private LAN (EPLan)............................................................... 25

5 System Description ............................................................................. 27 5.1 Subrack ................................................................................................. 27 5.2 Basic Functions ..................................................................................... 28 5.2.1 User Data Interfaces.............................................................................. 29 5.2.2 Switch Fabric Functions ........................................................................ 30 5.2.3 Multiplex and Mapping Functions .......................................................... 31 5.3 Ethernet functions.................................................................................. 33 5.4 Clock Pulse Supply, Synchronization .................................................... 34 5.4.1 Available Timing Sources ...................................................................... 35 5.4.2 T0 System Clock ................................................................................... 35 5.4.3 Timing Output Interface ......................................................................... 36 5.4.4 Real Time Clock .................................................................................... 36 5.5 Retiming ................................................................................................ 36 5.6 Laser Safety Shut-down ........................................................................ 37 5.7 External Alarm Interfaces ...................................................................... 37 5.8 Engineering Order Wire......................................................................... 37

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5.9 Software/Firmware .................................................................................38 5.10 Protection Architecture...........................................................................38 5.10.1 Traffic Protection ....................................................................................39 5.10.2 Equipment Protection.............................................................................40 5.11 Operating Terminal TNMS-M SURPASS hiT 7025 LCT ........................41 5.12 Connection to Network Management Systems ......................................42 5.12.1 SURPASS NE connect to TNMS ...........................................................42 5.12.2 SMA NE connect to TNMS.....................................................................43 5.12.3 Third-party DCC transparency ...............................................................44 5.12.4 ECC Application .....................................................................................44

6 Components of the SURPASS hiT 7025.............................................46 6.1 Subrack and Slot Arrangement ..............................................................47 6.2 List of Cards Supported..........................................................................49 6.3 Power Supply Card: PWR......................................................................50 6.4 Fan Tray.................................................................................................51 6.5 System Controller Card: SC...................................................................51 6.6 System Interface Card: ST-CLK.............................................................53 6.7 Cross-connect and Timing Card.............................................................55 6.7.1 Cross-connect Architecture and Capacity ..............................................55 6.7.2 Timing Function......................................................................................57 6.7.3 STM-N Interface.....................................................................................58 6.7.4 CC Card Faceplate and LEDs................................................................60 6.8 Optical STM-4 Interface Card: 1 × STM-4..............................................61 6.9 Optical/Electrical STM-1 Interface Card: 2 × STM-1 ..............................62 6.10 Electrical 155Mbps Interface Card: 2 × STM-1E (W/P), 2 ×

STM-1E IO .............................................................................................64 6.11 Electrical 34/45 Mbps Interface Card: 3 × E3/DS3 (W/P), 3 ×

E3/DS3 IO ..............................................................................................66 6.12 Electrical 2 Mbps Interface Card 21 × E1 (W/P), 21 × E1 I/O ................69 6.13 Gigabit Ethernet Interface Card: 1 × GE /T ...........................................72 6.14 Fast Ethernet Interface 8 × FE/T ............................................................75 6.15 Fast Ethernet Interface Card 8 × FE/L2 .................................................79 6.16 Optical Amplifier Card: OA .....................................................................82

7 System Control and Monitoring..........................................................85 7.1 Indicating and Operating Elements of the Network Element..................87 7.1.1 Operating Devices of the SURPASS hiT 7025.......................................87 7.1.2 Operating and Display Elements of the Cards .......................................87 7.2 Control and Monitoring by TNMS-M Network Management

System ...................................................................................................88 7.2.1 TNMS-M SURPASS hiT 7025 LCT........................................................88 7.2.2 TNMS-M.................................................................................................89 7.3 Management System Protection ............................................................91 7.4 NE Software ...........................................................................................91 7.4.1 Application Management Module ...........................................................92 7.4.2 Hardware Driver Modules.......................................................................93

Technical Manual



7.4.3 Real-Time Multi-Task Operation System............................................... 93 7.4.4 SNMP Agent.......................................................................................... 93 7.4.5 MIB Management Module ..................................................................... 94 7.4.6 Management Protocols and DCC.......................................................... 94

8 Commissioning and Maintenance ..................................................... 95 8.1 Commissioning ...................................................................................... 95 8.2 Maintenance .......................................................................................... 95

9 Technical Data ..................................................................................... 96 9.1 Traffic Interfaces.................................................................................... 96 9.1.1 Optical STM-16 Interfaces..................................................................... 97 9.1.2 Optical STM-4 Interfaces..................................................................... 104 9.1.3 Optical STM-1 Bidirectional SFP ......................................................... 105 9.1.4 Optical STM-1 Interfaces..................................................................... 106 9.1.5 Optical STM-1 Bidirectional SFP ......................................................... 107 9.1.6 Optical Amplifier (OA).......................................................................... 108 9.1.7 Electrical 155 Mbps Interface .............................................................. 111 9.1.8 Electrical 45 Mbps Interfaces (E 32 according ITU-T G.703) .............. 111 9.1.9 Electrical 34 Mbps Interfaces (E 31 according ITU-T G.703) .............. 112 9.1.10 Electrical 2 Mbps Interfaces ................................................................ 112 9.1.11 Gigabit Ethernet Interface, Optical ...................................................... 113 9.1.12 Gigabit Ethernet Interface 1000 BaseT, Electrical............................... 114 9.1.13 Fast Ethernet Interfaces 100 Base-T, Electrical .................................. 115 9.1.14 Electrical Ethernet Interfaces 10 Base-T ............................................. 116 9.2 Control Interfaces ................................................................................ 116 9.2.1 SNMP/TCP/IP/Ethernet for Network Management System................. 117 9.3 Signalling Interfaces ............................................................................ 117 9.3.1 Fault Indication and Services Status LEDs ......................................... 117 9.3.2 Alarm Contacts .................................................................................... 118 9.3.3 MDI/MDO Interfaces for Customer-specific Channels......................... 118 9.3.4 EOW Interface ..................................................................................... 118 9.4 Interfaces for Network Clock Synchronization..................................... 119 9.4.1 2048-kbit/s Interface ............................................................................ 119 9.5 Switching and Delay Times ................................................................. 120 9.5.1 MSP Line Protection Switching ........................................................... 120 9.5.2 SNC/I and SNC/N Path Protection Switching...................................... 121 9.6 Power Supply ...................................................................................... 122 9.7 Environmental Conditions.................................................................... 123 9.7.1 Climatic Conditions.............................................................................. 123 9.7.2 Electromagnetic Compatibility EMC .................................................... 123 9.8 Dimensions in mm ............................................................................... 124 9.9 Weights in kg ....................................................................................... 125

Abbreviations..................................................................................................... 127

Summary of changes



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Summary of changes

Issue Issue date Remarks 1 June 2007 Initial version 2 September 2007 MDI/MDO electrical characteristics updated

Notes on this Documentation



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1 Notes on this Documentation 1.1 Customer Documentation

The Customer Documentation of the SURPASS hiT 7025 comprises the following descriptions and manuals:

Technical Manual

The Technical Manual gives an overview of the application, performance features, interfaces and functions of the SURPASS hiT 7025. It also contains the most important technical data.

ii Note The Technical Manual does not contain any instructions to be carried out.

Installation and Test Manual The Installation and Test Manual contains instructions on mounting, connecting, and commissioning the SURPASS hiT 7025, and connecting and commissioning the LCT operating terminals.

Troubleshooting Manual The Troubleshooting Manual provides information about the alarm list SURPASS hiT 7025 supports and troubleshooting procedures.

LCT User Manual




The LCT User Manual provides information about the LCT (features, configuration, installation, etc.) and how to operate, monitor and maintain the SURPASS hiT 7025 using the Element Manager software (Application Software) running on the LCT.

ii Note Besides the LCT User Manual, the Online Help of the SURPASS hiT 7025 software is of high importance for the operator.

1.2 Complementary Documents

In addition to the SURPASS hiT 7025 customer documentation listed in Chapter 1.1, there is further documentation:

SURPASS hiT 7025 Release Note

This document identifies the specific version of the SURPASS hiT 7025 and provides information on Hardware, Software, LCT components and the limitations of the release as well as important notes concerning the customer documentation.

1.3 Symbols Used in the Customer Documentation

1.3.1 Symbol for Warnings

!!

WARNING This symbol identifies notes which, if ignored, can result in personal injury or in permanent damage to the equipment.

1.3.2 Symbols for Notes

ii Note Information which extends beyond the immediate context.




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Cross reference to other chapters in this manual or reference to other manuals.

Help Reference to the online help system of the Element Manager software.

1.3.3 Symbols for Menu Displays and Text Inputs

Menu options from pop-up menus or inputs to be made by the user (texts, commands) are displayed consecutively in their hierarchical sequence in pointed brackets:

<Menu> <Menu item> <Command text> <Parameter> etc.

1.4 Notes on Licensed Software

This documentation refers to software products which were taken over from other companies as licenses.

Should problems arise, you should contact Nokia Siemens Networks as the licensee and not the relevant licenser.

1.5 Standard Compliance

The SURPASS hiT 7025 is in compliance with the following standards (as applicable):

Electronic Industry Association (EIA)

European Telecommunications Standards Institute (ETSI)

Institute of Electrical and Electronics Engineers (IEEE)

• IEEE 802.1Q Virtual LANs

• IEEE 802.1p Traffic Class Expediting and Dynamic Multicast Filtering

• IEEE 802.3 CSMA/CD Access Method

International Telecommunication Union–Telecommunication Standardization Sector (ITU-T) Recommendations

• G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces

• G.7041/Y1303 Generic Framing Procedure (GFP)




• G.7042/Y1305 Link Capacity Adjustment Scheme (LCAS) for Virtual Concatenated Signals

• G.707/Y1322 Network Node Interface for the Synchronous Digital Hierarchy (SDH)

• G.774 SDH Management Information Model for Network Element View

• G.781 Synchronization Layer Functions

• G.783 Characteristics of Synchronization Digital Hierarchy (SDH) Equipment Functional Blocks

• G.784 Synchronous Digital Hierarchy (SDH) Management

• G.803 Synchronous Digital Hierarchy (SDH) Transport Network Architecture

• G.813 Timing Characteristics of SDH Equipment Slave Clocks (SEC)

• G.823 Control Of Jitter and Wander within Digital Networks which are Based On The 2048 Kbit/s Hierarchy

• G.825 “The Control of Jitter and Wander Within Digital Networks which are based on the Synchronous Digital Hierarchy (SDH)”

• G.826 Error Performance Parameters and Objectives For International, Constant Bit-Rate Digital Paths At Or Above The Primary Rate

• G.828 Error Performance Parameters and Objectives For International, Constant Bit Rate Synchronous Digital Paths

• G.829 Error Performance Events for SDH Multiplex and Regenerator Sections

• G.831 Management Capabilities Of Transport Networks Based on the Synchronous Digital Hierarchy (SDH)

• G.841 Types and Characteristics of SDH Network Protection Architectures

• G.842 Interworking of SDH Network Protection Architecture

• G.957 Optical Interfaces for Equipment and System Relating to the Synchronous Digital Hierarchy

• G.958 Digital Line Systems Based on the Synchronous Digital Hierarchy for Use on Optical Fibre Cables

• G.664 Optical Safety Procedures and Requirements for Optical Transport System

• M.3010 Principles for a Telecommunications Management Network.

• M.3300 TMN F Interface Requirements

Introduction



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2 Introduction SURPASS hiT 7025 is a multi-service provisioning platform with add/drop, terminal and cross-connect functionality for universal installation at all network levels.

All applications can be implemented using a single subrack. Reconfiguration during operation is possible.

SURPASS hiT 7025 transports data signals and standard voice based traffic over one single platform. For transporting data in the most economic way, SURPASS hiT 7025 combines technologies such as Generic Framing Procedure (GFP) and Link Capacity Assignment Scheme (LCAS) with the reliability and robustness of SDH networks and a quality of service.

SURPASS hiT 7025 provides full cross-connectivity between all interfaces. The capacity of the switching fabric is up to 97 × 97 VC-4 (15 Gbps) equivalents. This applies to the VC-4 layer and to all cross-connection types (unidirectional, bidirectional and broadcast).

SURPASS hiT 7025 can be used as

• TMX (terminal multiplexer)

• ADM (add/drop multiplexer)

In multiservice transport and aggregation network applications.

State-of-the-art protection switching mechanisms are supported to enable an optimum network with the very highest reliability possible – depending on the relevant network topology and the requirements of the network operator, see Chapter 5.10.

For detailed information about the features of SURPASS hiT 7025 see Chapter 3.

Introduction



2.1 Application Types

In Chapters 2.1.1 to 2.1.2, an overview on usage of the SURPASS hiT 7025 is provided.

2.1.1 Terminal Multiplexer Type

The SURPASS hiT 7025 terminal multiplexer (TMX type) can be used in such configurations as point-to-point connections or as feeder terminal for traffic aggregation to core networks.

hiT 7025

2 Mbps (PDH)34/45 Mbps (PDH)155 Mbps (STM-1, o/e)622 Mbps (STM-4)Fast EthernetGigabit Ethernet

155 Mbps (STM-1)/622 Mbp/s (STM-4)/2.5 Gbps (STM-16)

155 Mbps (STM-1)/622 Mbps (STM-4)/2.5 Gbps (STM-16)

Fig. 2.1 Terminal Multiplexer (TMX)

The terminal multiplexer (Fig. 2.1) is equipped with a switching network thus provides cross-connectivity between all available line and tributary interfaces on VC-4, VC-3 and VC-12 levels, Fast Ethernet as well as Gigabit Ethernet.

The capacity of the High Order (HO) switching fabric is 97 × 97 VC-4s, and the capacity of the Low Order (LO) switching network is 2016 × 2016 VC-12s. Therefore, the SURPASS hiT 7025 has adequate ability to support multiple interfaces for star topology.

In addition to the TMX functionality, tributary to tributary connectivity is also possible.

Introduction



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2.1.2 Add/Drop Multiplexer Type

The SURPASS hiT 7025 add/drop multiplexer (ADM type) provides add and drop functionality for the tributary traffic to the aggregate to 155 Mbps, 622 Mbps or 2.5 Gbps line side (see Fig. 2.2).

hiT 7025

2 Mbit/s (PDH)34/45 Mbit/s (PDH)155 Mbit/s (STM-1, o/e)622 Mbps (STM-4)Fast EthernetGigabit Ethernet



West East

Fig. 2.2 Add/Drop Multiplexer (ADM)

The add/drop multiplexer type is equipped with a switching network and provides cross-connectivity between all line and tributary interfaces on VC-4, VC-3, VC-12 level, Fast Ethernet interfaces as well as Gigabit Ethernet.

The SURPASS hiT 7025 supports multiple ring termination on signal NE.

Overview of the Main Features



3 Overview of the Main Features • Subrack Type

− 5.5 RU height, 1 system control card, 2 CC cards, 1 ST-CLK card, 2 power cards, 1 fan tray, 4 I/O interfaces and 8 traffic slots

• Switch Fabric

− Fully non-blocking switching fabric

− 15 Gbps switching capacity with VC-4 granularity and 5 Gbps switching capacity with VC-12 granularity

− 7 Gbps switching capacity with VC-4 granularity and 2.5 Gbps switching capacity with VC-12 granularity

• Interface Types

− STM-16 optical interfaces



− STM-1 electrical interfaces

− 34/45 Mbps electrical interfaces

− 2 Mbps electrical interfaces

− 10/100 Base-Tx electrical interfaces

− 1000 Base-X optical interfaces

− Optical Amplifier (OA) interfaces

• NE features

− Virtual Concatenation (VC-4, VC-3, VC-12)

− Link Capacity Adjust Scheme (VC-4-16C, VC-4-4C, VC-4, VC-3, VC-12)

− G.813 internal oscillator

− STM-N line timing

− Retiming




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− Transparent DCC (MS/RS/MS+RS)

− Near end performance monitoring

− Far end performance monitoring

− Automatic Software downloads

− Auto link detection

− Optical Amplifier

− VoIP EOW over DCC

− Traditional EOW over E1/E2/F1

• Hardware Protection

− 1+1 Power Unit Protection

− 1+1 Switch Fabric and Clock Unit Protection

− 1+1 Hardware Protection for STM-1E electrical interfaces

− 1:1 Hardware Protection for E3/DS3 electrical interfaces

− 1:N (N ≤ 3)Hardware Protection for E1 electrical interfaces

• Traffic Protection

− SNCP/I or SNCP/N for VC-12/VC-3/VC-4/VC-4-4C

− MSP (1+1) for STM-16/4/1/1E

− 2-fiber shared ring protection for STM-16/4 (MS-SPRing)

− Two node DNI (Dual Node Interworking) between two MS-SPRing

• Ethernet Functionality

− GFP

− VCAT

− LCAS

− Transparent Local Area Network (LAN) transport

− Link aggregation in accordance to IEEE 802.3

− Jumbo packet supported (9600 bytes)

− Virtual LAN 802.1q, double tagging

− Rapid Spanning Tree Protocol (RSTP) and Multiple Spanning Tree Protocol (MSTP)

− Rate limiting function

− Generic VLAN Registration Protocol (GVRP)

− Internet Group Management Protocol (IGMP) snooping

− MAC Self Learning

− MAC address aging time configurable




− Auto-negotiation

• TNMS-M Management

− Single element management by TNMS-M SURPASS hiT 7025 LCT

− Service/Network/Element management by TNMS-M and TNMS core

Network Applications



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4 Network Applications The network elements can be used in a straightforward way of creating point-to-point connections, linear chain configurations and ring configurations.

According to customer requirements, the SURPASS hiT 7025 can be equipped for the following applications:

• Terminal-to-terminal topologies (see chapter 4.1)

• Linear topologies with add/drop function (chains) (see chapter 4.2)

• Ring network functionality (see chapter 4.3)

4.1 Terminal-to-Terminal Topologies

Terminal-to-terminal links are supported by SURPASS hiT 7025 network elements in the TMX application, with the option of 1+1 MSP for STM-16/4/1 interfaces.

Fig. 4.1 shows a straightforward point to point network with one TMX at the transmitting end and another at the receiving end. It is using MSP protection switching.




hiT 7025

Tributaryinterfaces

STM-1/STM-4/STM-16

hiT 7025

Working

ProtectionSTM-1/STM-4/STM-16

Tributaryinterfaces

Line

Fig. 4.1 Terminal-to-Terminal Link

At the TMX, the client equipment is connected to the TMX through the tributary interfaces.

The use of MSP between the NEs is preferred for redundancy reasons but not mandatory.

4.2 Linear Topologies with Add/Drop Function

Linear chains are supported by SURPASS hiT 7025 network elements in the ADM application, with the option of 1+1 MSP for STM-16/4/1 interfaces.

TM

Tributaryinterfaces

STM-1/STM-4/STM-16

ADM

Working


Tributaryinterfaces

Line

STM-1/STM-4/STM-16

TM

Working


Line

Tributaryinterfaces

Fig. 4.2 Add/Drop Function within a Linear Chain




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An ADM is normally used at an intermediate site to add/drop client traffic. In

TM

Tributaryinterfaces

STM-1/STM-4/STM-16

ADM

Working


Tributaryinterfaces

Line

STM-1/STM-4/STM-16

TM

Working


Line

Tributaryinterfaces

Fig. 4.2, an ADM is located in between two TMXs. At the ADM, the selected traffic is added/dropped at VC-4, VC-3 or VC-12 level, while the through traffic is transparently passed through the node.

The use of MSP between the adjacent NEs is preferred for redundancy reasons but not mandatory.

4.3 Ring Network Functionality

SURPASS hiT 7025 supports various ring topologies including single ring, multiple ring closure and dual ring interworking.

4.3.1 Single Ring

The line speeds of the SURPASS hiT 7025 single ring can be STM-16, STM-4 or STM-1.




hiT 7025

Tributaryinterfaces

hiT 7025

hiT 7025

hiT 7025

2 fiber ringSTM-16/4/1

Fig. 4.3 Single Ring

4.3.2 Dual Ring Interworking

Two MS-SPRings working at STM-16 or STM-4 line speed can be interconnected and protected by the Dual Node Ring Interworking (DNI) protection mechanism applied by hiT 7025 system as depicted in Fig. 4.4.

A SURPASS hiT 7025 ring can also be dual interconnected with other SURPASS hiT rings such as hiT 7060, hiT 7030, or hiT 7020 rings to provide increased network reliability for inter-ring traffic.




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hiT 7025

hiT 7025

hiT 7025

hiT 7025

hiT 7025

hiT 7025

2 fiber ringSTM-16/4

2 fiber ringSTM-4

hiT 7025

hiT 7025

Fig. 4.4 Dual Ring Interworking

4.4 Data Service Applications

SURPASS hiT 7025 provides data transport over SDH, and offers various data applications in addition to traditional TDM applications.

The SURPASS hiT 7025 system supports the following data transmission services:

• Ethernet Private Line (EPL)

• Ethernet Virtual Private Line (EVPL)

• Ethernet Private LAN (EPLan)

4.4.1 Ethernet Private Line (EPL)

SURPASS hiT 7025 Ethernet Private Line Service offers dedicated, point-to-point Ethernet connectivity at Gigabit Ethernet rates (1000 Mbps) or Fast Ethernet connection (10 Mbps or 100 Mbps).




The EPL can be used to support applications such as LAN-to-LAN connectivity, storage area networking, Internet access or disaster recovery solutions.

hiT 7025

hiT 7025

hiT 7025

hiT 7025VC-12-Xv (X=1….46)

orVC-3-Xv (X=1….3)

FE

8× FE/T

8× WAN Ports

8×LAN Ports (FE)

VC-4-Xvor

VC-3-Xv

1 x GE/T

1× WAN Port

1×LAN Port (GE)

GE

FE

Fig. 4.5 Ethernet Private Line (EPL)

4.4.2 Ethernet Virtual Private Line (EVPL)

For the Ethernet Virtual Private Line, the customer still gets point-to-point connectivity, but over shared instead of dedicated bandwidth. Each node has the layer 2 switching capabilities to provide statistics multiplexing, per VLAN control and STP function, and Ethernet based rate limiting per VLAN or port.

The EVPL is useful when creating hub-and-spoke architectures in which multiple remote offices all require access to a headquarters or multiple customers all require access to an ISP’s POP (point of presence).




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hiT 7025

hiT 7025

hiT 7025

hiT 7025VC-4-Xv

FE

FE

8 x FE/L2

VC-4-Xv

8×FE (Client)

2× WAN ports

VC-4-Xv

Headquarter

Remote Office 1

Remote Office 2

FE

Fig. 4.6 Ethernet Virtual Private Line (EVPL)

4.4.3 Ethernet Private LAN (EPLan)

The Ethernet Private LAN (EPLan) service provides multipoint connectivity over dedicated bandwidth, i.e., it may connect two or more subscribers (customer). Subscriber data sent from one customer can be received at one or more of the other customers. Each site (customer) is connected to a multipoint-to-multipoint EVC and uses dedicated resources so different customers’ Ethernet frames are not multiplexed together. As new sites (customers) are added, they are connected to the same multipoint EVC thus simplifying provisioning and service activation. From a subscriber standpoint, an EPLan makes the MSTP network look like a LAN.

EPlan (Ethernet Private LAN) architecture differs from EPL in that rather than use a predefined mapping between VLAN tags and link connections, the operator’s network equipment, uses Ethernet switching (i.e. Bridge learning) to pass Ethernet frames to the appropriate link. However this makes it difficult to




guarantee performance as network Ethernet switching introduces additional latency and probability of increased packet loss.

SURPASS hiT 7025 brings multiple WAN interfaces into layer 2 switching. Customer service can be delivered through dedicated VCGs with little latency and little packet loss. The WAN interface can be provisioned individually on the TNMS-M.

hiT 7025

hiT 7025

hiT 7025

hiT 7025

FEFE

FE

FE

8 × FE/L2

8 × FE (Client)

2 × WAN ports

Multipoint to Multipoint

EVC

Fig. 4.7 Ethernet Private LAN (EPLan)

System Description



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5 System Description The following sub-chapters give a functional and technical overview of the main features of the SURPASS hiT 7025 separated from the physical interfaces. For information about hardware relevant features please refer to Chapter 6.

5.1 Subrack

A picture of the SURPASS hiT 7025 is shown in Fig. 5.1.

The subrack is 5.5 RU high and the physical dimensions are 447 mm (W) x 244 mm (H) x 279 mm (D). It is designed to fit ETSI, EIA 300 and NEBS requirements.

Up to four SURPASS hiT 7025 subracks can be installed into a 2200 mm high ETSI rack, an EIA 310 19” rack or an NEBS rack. The space between the adjacent subracks should be at least 5-rack-units apart.

Fig. 5.1 SURPASS hiT 7025 Subrack

System Description



5.2 Basic Functions

MS OHProcess

RS OHProcess

HO

CC

/LOC

C

MS

Overhead P

rocess

RS

Overhead P

rocess

VC

Mapping

System Controller Timing controller

TNMS-M/TNMS-M SURPASS hiT 7025 LCT Output Input

External Timing

EthernetInterface

SDHInterface

PDHInterface

STM-NInterface

GFP

STM-NInterface

Line interfacesEast

Line interfacesWest

Tributary interfaces

L2 Switching

Fig. 5.2 shows the basic functional structure of SURPASS hiT 7025

System Description



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MS OHProcess

RS OHProcess

HO

CC

/LOC

C

MS

Overhead P

rocess

RS

Overhead P

rocess

VC

Mapping

System Controller Timing controller

TNMS-M/TNMS-M SURPASS hiT 7025 LCT Output Input

External Timing

EthernetInterface

SDHInterface

PDHInterface

STM-NInterface

GFP

STM-NInterface

Line interfacesEast

Line interfacesWest

Tributary interfaces

L2 Switching

Fig. 5.2 Functional Block Diagram

On the line side, the send/receive modules (SDH) carry out the conversion to optical/electrical signals. The SDH cards can be equipped with various transceiver modules (SFP modules) in several distance variants up to 2.5 Gbps.

On the tributary side, the SURPASS hiT 7025 supports various PDH, Ethernet and SDH interfaces.

The central element of SURPASS hiT 7025 includes system controller, cross-connect matrix and timing controller.

5.2.1 User Data Interfaces

SURPASS hiT 7025 can be equipped with the following interfaces:

System Description



Interface Type Bit Rate Connection Ports per Card

SDH 2.5 Gbps (STM-16) optical 1 (bidirectional)

SDH 622 Mbps (STM-4) optical 1 (bidirectional)

SDH 155 Mbps (STM-1) optical/electrical 2 (bidirectional)

PDH 34 Mbps or 45 Mbps electrical 3 (bidirectional)

PDH 2 Mbps electrical 21 (bidirectional)

Ethernet 10/100 Base-Tx electrical 8 (full duplex)

Ethernet 1000 Base-X optical 1 (bidirectional)

Tab. 5.1 User Interfaces

5.2.2 Switch Fabric Functions

The switching device provides high order (HO) and low order (LO) switching at the same time.

Capacity of the Cross-connect Matrix

The SURPASS hiT 7025 has the following non-blocking cross-connection capacity:

• For CC + STM-16/4 card:

− HOCC: 15 Gbps (97 × 97 VC-4s)

− LOCC: 5 Gbps (2016 × 2016 VC-12s)

• For CC + STM-4/1 card:

− HOCC: 7 Gbps (45 × 45 VC-4s)

− LOCC: 2.5 Gbps (1008 × 1008 VC-12s)

Cross-connection

The switch matrix is a non-blocking square structured matrix for point-to-point and point-to-multipoint connections. All types of cross-connections are possible.

Granularity

The configurable and simultaneously usable switching hierarchies of the matrix are VC-4-16C, VC-4-4C, VC-4, VC-3 and VC-12.

System Description



31 (132)

HO and LO VC-n Connectivity

The switching matrix allows the following connections:

• Unidirectional connections

• Unidirectional point-to-multipoint (including 1+1 SNCP head end)

• Bidirectional connections

• Broadcasting (1 m, with m=4 for VC-4, m=12 for VC-3 and m=63 for VC-12)

• Drop and continue (broadcast 1 2 + SNCP tail end)

• Selector 2 1 (protected tail end for 1+1 SNCP)

Concatenation

Virtual concatenated VC-12, VC-3 and VC-4 signals are supported. Protection switching for virtual concatenated VC-12, VC-3 and VC-4 signals are also supported. The group of constituent paths that belong to a concatenated signal is determined by the Telecommunication Network Management and written to an internal configuration table. Using this information, the SURPASS hiT 7025 software is able to set signal fail or signal degrade alarms for all paths of a concatenated signal channel. In order to keep the (differential) delay of the signals low, all constituent paths of a concatenated signal must be on the same optical trail; it results in a bundling rule for the Telecommunication Network Management.

5.2.3 Multiplex and Mapping Functions

The SURPASS hiT 7025 transmits SDH and PDH signals.

Fig. 5.3 shows the organization and relationship of SDH and PDH multiplex structures.

Chapter 9.1 summarizes the possible user data interfaces for SURPASS hiT 7025 NEs.

System Description



VC-4

D45

AUG AU-4

D2

TUG-3

TUG-2

D34

TU-3 VC-3 C-3

VC-12 C-12

SDH PDH

3x

1x

3x

34 Mbit/s

45 Mbit/s

2 Mbit/s

Nx

7x

TU-12

STM-N

N = 1, 4 or 16

C-4

Fig. 5.3 SDH/PDH Multiplex Structures

5.2.3.1 SDH HO/LO Multiplexer and Mapping Functions

The SURPASS hiT 7025 implements the following HO/LO multiplexing and mapping methods: • VC-4 containers are aligned (with frame offset information) with an AU-4,

according to ITU-T G.707. The AU-4 may further be mapped via AUG-1 into STM-1 or via AUG-1 and AUG-4 into STM-4.

• VC-3 containers are aligned (with frame offset information) with a TU-3, according to ITU-T G.707. The TU-3 is further mapped via TUG-3 into VC-4.

• VC-12 containers are aligned (with frame offset information) with a TU-12, according to ITU-T G.707. The TU-12 is further mapped via TUG-2 and TUG-3 into VC-4.

5.2.3.2 PDH Mapping into SDH Containers

The SURPASS hiT 7025 implements the following mapping of PDH signals on SDH containers: • 2 Mbps signals are mapped into a VC-12 asynchronously, according to ITU-

T G.707. The VC-12 is further mapped on a VC-4, via TU-12, TUG-2 and TUG-3.

• 34 Mbps and 45 Mbps signals are mapped into a VC-3 asynchronously, according to ITU-T G.707. The VC-3 is further mapped on a VC-4, via TU-3 and TUG-3.

System Description



33 (132)

5.2.3.3 Ethernet Packet Multiplexer and Mapping Functions

SURPASS hiT 7025 supports Ethernet frame mapping into SDH containers. In the process of mapping, the Ethernet frames are encapsulated into a certain format which is compatible with the Virtual Containers (VC). For SURPASS hiT 7025, the GFP protocol is used for the encapsulation.

GFP encapsulation

GFP is a robust encapsulation method which can adapt the data traffic to an octet synchronous transport network. GFP provides two kinds of mapping modes GFP-F (Framed) and GFP-T (Transparent) for different data traffic. In SURPASS hiT 7025, GFP-F is implemented when the Ethernet cards are configured in the standard Ethernet mode.

5.3 Ethernet functions

SURPASS hiT 7025 supports transparent transmission as well as Layer 2 (L2) switching function for Ethernet data.

Transparent LAN SURPASS hiT 7025 supports Ethernet transparent service which means the Ethernet frame is encapsulated to the SDH containers and transmitted directly without L2 switching.

Media Access Control (MAC) address forwarding

SURPASS hiT 7025 supports up to 32 K MAC addresses on each Ethernet card, in which 2 K MAC addresses can be configured manually. Both multicast address and broadcast address are supported.

Access Control List (ACL) The system can generate a ACL table based on the MAC address. The MAC entries listed in the ACL table are forwarded or discarded in different modes.

VLAN

SURPASS hiT 7025 supports VLAN functions including VLAN tagging/detagging, filtering and forwarding, GVRP and up to 4096 VLAN IDs.

System Description



Flow control and rate limit

SURPASS hiT 7025 supports Ethernet flow control and input rate limit function to avoid traffic congestion. The LAN port rate limit ranges are from 128 Kbps to 100 Mbps for FE interfaces and from 128 Kbps to 1000 Mbps for GE interfaces in the step of 128 Kbps.

Link aggregation

SURPASS hiT 7025 supports link aggregation function on FE ports as well as GE ports for LAN or Wide Area Network (WAN) side.

GVRP SURPASS hiT 7025 supports GVRP which allows network devices to dynamically exchange VLAN configuration information with other devices according to IEEE 802.1q.

5.4 Clock Pulse Supply, Synchronization

Every network element (NE) clock may be synchronized by a very accurate timing source, normally by a primary reference source (PRC) according to the master-slave principle. The SETS is responsible for generation of system and output clock signals.

According to the ETSI recommendation, T3 to T1 are the synchronization timing sources, T0 is the internal NE system clock and T4 is the timing output interface.

Selection SETS

T4

T0

T2

T1

T3

Fig. 5.4 Timing Source Selection

System Description



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5.4.1 Available Timing Sources

The SETS synchronization for the SURPASS hiT 7025 is derived from any of the following external ports:

• From any STM-16/4/1 ports (T1)

• From an E1 tributary input (T2)

• From one of two external synchronization inputs (T3)

• From internal Stratum 3 clock (ITU-T G.813 Option 1)

A SURPASS hiT 7025 NE can run in free running, holdover, or locked mode. The normal synchronous mode is locked mode. If all of the reference sources fail, the system switches to holdover mode.

A Synchronization Status Message (SSM) signal can be used to transfer the signal quality level throughout a network. This will guarantee that all network elements will always be synchronized to the highest quality clock available.

The SURPASS hiT 7025 supports SDH SSM algorithm on all STM-N interfaces and on the framed 2 Mbps synchronization output signal (connected to the station output clock):

• SSM function support can be user provisioned as “enabled or disabled”. When the SSM function is disabled in the NE, all STM-N interfaces and framed 2 Mbps synchronization output signal interfaces will send out a DNU (do not use for sync) signal.

• There are 4 possible quality levels specified in the SSM for timing reference sources: PRC, SSU-A, SSU-B, and SEC. In addition, DNU is specified in SSM. The quality of each timing reference source can either be retrieved from the incoming the SSM or provisioned from the network management system.

• The SURPASS hiT 7025 supports the synchronization source switching algorithm based on SSM defined in ITU-T G.781.

• The wait-to-restore (WTR) time for the timing reference source is between 0-12 minutes and can be set from the network management system in minute increments. The default value is 5 minutes.

5.4.2 T0 System Clock

The T0 system clocks are used in the NE for traffic processing, OH/DCC busses, internal system communication between the system controller and each card, and for the distribution of the absolute time.

T0 clocks to SC slot include the following three signals:

• Clock signal 19.44 MHz; point to point distribution.

• Frame clock signal 8 kHz; point to point distribution.

System Description



• Absolute time signal 1 Hz; point to point distribution.

T0 clocks to each LC slot include the following three signals:

• Clock signal 19.44 MHz; point to point distribution.

• Frame clock signal 8 kHz; point to point distribution.

• Absolute time signal 1 Hz; point to point distribution.

All cards receive the T0 clocks.

5.4.3 Timing Output Interface

The System Management Interface Panel provides the following interfaces to offer synchronization to external devices:

• 2 Mbps (framed)

• 2 Mbps (unframed)

• 2 MHz

5.4.4 Real Time Clock

For time stamps (time and date) in SURPASS hiT 7025 error and operational messages, a real time clock is available (within the SETS).

The date and time for the real-time clock within the NE can be set and requested from LCT/OS.

5.5 Retiming

In the retiming mode, the transmitter eliminates wander and jitter in the incoming clock.

While the rate of the outgoing 2 Mbps or 2 MHz signal is normally equal to the rate of the 2 Mbps or 2 MHz signal going into the SDH network, occasionally this relationship disappears. A retiming function is necessary for suppression of jitter and wander that the 2 Mbps signal suffers during transmission in SDH and which makes the signal useless for carrying the synchronous frequency to the PDH domain.

To retime an outgoing 2 Mbps or 2 MHz signal means simply to retime this signal with the internal clock of the multiplexer equipment in which the desynchronization takes place. This can be done by reading the recovered 2 Mbps or 2 MHz signal into an elastic store and timing the output of the elastic store with the system clock.

System Description



37 (132)

When the device is set in the retiming mode all jitter and wander due to the multiplexing or demultiplexing process in the transmission is eliminated.

5.6 Laser Safety Shut-down

To prevent personal injury form emerging laser light in the case of the fiber break, SURPASS hiT 7025 supports Automatic Laser Shutdown (ALS) function according to ITU-T G.958 and ITU-T G.644. In the case of the signal failure at the optical receiver of SURPASS hiT 7025, the laser transmitter will be switched off automatically. After the receiver receives a valid signal again, the laser transmitter is then switched on automatically.

5.7 External Alarm Interfaces

Failures signalled by any cards are processed by the main controller of the device, which forwards the detected alarm information to the alarm interfaces. The alarm interfaces are accessible via an alarm connector.

The SURPASS hiT 7025 alarm interfaces provide two outputs:

• Major urgent alarm (triggered by any Critical or Major alarms)

• Minor non-urgent alarm (triggered by any Minor alarms)

5.8 Engineering Order Wire

The SURPASS hiT 7025 system provides one RJ-45 connector for two output channels of E1, E2 Engineering Order Wire (EOW) channel and/or F1 user channel. The EOW interface (ITU-T Recommendation G.703 compliant) is located on the system controller module front panel.

Users may totally select all the channels of E1/E2 from the system, and will be terminated by the system. When E1, E2, and F1 bytes are not used, there will be only code “1” transmitted in these channels and the received will be ignored.

SURPASS hiT 70 XOW is an external box which connects the SURPASS hiT 7025 EOW interfaces via RJ-45 cable. It provides telephone links to connect one or more network elements by using the RSOH byte E1 and/or the MSOH byte E2 for EOW communication. On external XOW Box, there is one V.11 access for F1 channel, and the physical interface is DB15. And there is one RJ11 accessed for phone.

System Description



With an external box SURPASS hiT 70 XOW connected with the EOW interface through a RJ-45 connector, the one to one call or multiple parts conference call can be performed among the nodes in the network.

ii Note Traditional EOW over E1/E2/F1 is available for SURPASS hiT 7025. This solution is based on management mode. In this mode the SURPASS hiT 70 XOW can be managed via LCT or TNMS-M. Operators can assign or manage the telephone numbers in the box through the LCT or TNMS. At the same time the TNMS can obtain the state and events from the box.

5.9 Software/Firmware

The System Controller (SC) board is equipped with micro controllers for monitoring, controlling, and maintaining status information. They are programmed with embedded firmware held in Flash-EEPROMs.

A compact flash (CF) card is provided which can be installed in the system control card. All the software load of the NE is embedded in the CF card at the beginning. System gets the software from CF card while booting the NE for the first time. A new CF card with upgraded software will be provided during the system upgrade.

A software download facility is available. The download can be done remotely or locally via the element manager or local craft terminal.

The internal configuration database of the system can be uploaded and downloaded. It is stored redundantly and robust to any card failure.

Besides the configuration database, there are two embedded software images in System Controller. One is used by the active software and the other is for backup. During the system upgrade, new software will be downloaded and stored into the backup image memory bank. It will then be activated and the active image will be set as the new backup. Two software image designs can efficiently protect the system from system errors caused by wrong operation.

5.10 Protection Architecture

SURPASS hiT 7025 provides powerful network and equipment protection functions.

System Description



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5.10.1 Traffic Protection

SURPASS hiT 7025 supports the following traffic protection functions in compliance with ITU-T G.841:

• SNCP

• MSP

• 2-fiber MS-SPRing

• DNI

Each of the protection function is described as follows:

SNCP

SURPASS hiT 7025 supports both unidirectional and bidirectional SNCP protection on STM cards at VC-12, VC-3 and VC-4-Xv (X = 1, 4) levels. SNCP protection includes both inherently monitored SNCP/I and non-intrusively monitored SNCP/N. The protection switching time for SNCP is less than 50 ms.

MSP

SURPASS hiT 7025 supports 1+1 MSP function on STM-1, STM-1E, STM-4 and STM-16 interfaces.

In 1+1 MSP, one dedicated channel is reserved to protect only one working channel. The client traffic is always transmitted over the working and protection path simultaneously. In the case of the fiber break, the incoming traffic from the protection path will be selected automatically. All STM optical ports support both unidirectional and bidirectional 1+1 MSP functions in revertive and non-revertive modes.

2-fiber MS-SPRing

2-fiber MS-SPRing is a bidirectional ring in which both directions of traffic transmission use the same set of nodes under normal conditions. In the case of the failure on the working path, the traffic will be switched to the protection path. SURPASS hiT 7025 supports MS-SPRing at STM-16/4 level. The protection (detection and switching) is guaranteed to be finished within 50 ms. The wait-to-restore time is user configurable with a default value of 5 minutes.

DNI

SURPASS hiT 7025 supports DNI protection between two MS-SPRings.

System Description



5.10.2 Equipment Protection

SURPASS hiT 7025 provides the equipment protections as follows:

1: N Protection for electrical 2 Mbps interfaces

SURPASS hiT 7025 supports an optional 1: N (N=1 to 3) protection for the 2 Mbps PDH interface cards.

The automatic protection switching related information coming from the 21 × E1 working board (or protection board) is sent to the system controller unit (SC). When an E1 1: N protection related defect is reported on the 21 × E1 working board (or protection board) and correlated by software as a valid Protection Switch Request (PSR), the SC initiates a switch to the protection board (or the working board). As a result, the customer traffic will be forwarded through the protection bus to the protection card. The switch matrix will then select the traffic from the protection card.

In the normal state, the protection card can also provide the traffic service of lower priority. When the protection switching is to happen, the lower-priority service will be dropped.

1:1 Protection for electrical 34/45 Mbps interfaces

SURPASS hiT 7025 supports an optional 1:1 protection for the 34/45 Mbps PDH interface cards.

The automatic protection switching related information coming from the E3/DS3 working board (or protection board) is sent to the system controller unit (SC). When an E3/DS3 1: 1 protection related defect is reported on the E3/DS3 working board (or protection board) and correlated by software as a valid Protection Switch Request (PSR), the SC initiates a switch to the protection board (or the working board). As a result, the customer traffic will be forwarded through the protection bus to the protection card. The switch matrix will then select the traffic from the protection card.


1+1 Protection for electrical STM-1E interfaces

SURPASS hiT 7025 supports an optional 1+1 protection for the STM-1 electrical interfaces.

The automatic protection switching related information coming from the 2xSTM-1E working board (or protection board) is sent to the system controller unit (SC). When an E1 1+1 protection related defect is reported on working

System Description



41 (132)

board (or protection board) and correlated by software as a valid Protection Switch Request (PSR), the SC initiates a switch to the protection board (or the working board). As a result, the customer traffic will be forwarded through the protection bus to the protection card. The switch matrix will then select the traffic from the protection card.

1+1 Switch Fabric, Clock Unit and Power Unit Protection

In SURPASS hiT 7025 the SETS is integrated as a module inside the switch fabric card. Every NE can always be equipped with working and protection matrix/clock cards.

All the transmission functions and information within the working switching fabric will be duplicated and stored within the protection switching fabric, so that in case of failure, the protection switching fabric will take over the task of the defect switching fabric without any major delay.

From the SETS point of view, the working card will be configured as a master and synchronized to a reference source, while the protection card will be operating as a slave and synchronized to the working card.

In the event of failure of the working card, the protected card will take over the synchronization function from the defect card.

SURPASS hiT 7025 provide 1+1 power unit protection. In the event of failure of working power card, the protection power card will take over the power function from the defect card.

5.11 Operating Terminal TNMS-M SURPASS hiT 7025 LCT

Network elements can be operated and monitored via the software TNMS-M SURPASS hiT 7025 LCT software.

The TNMS-M SURPASS hiT 7025 LCT is used primarily for local management and commissioning of network elements. The LCT is connected via the Management Interface and allows for access to network element locally or remotely.

For further information about operation, control and monitoring via TNMS-M SURPASS hiT 7025 LCT operating terminals see TNMS-M SURPASS hiT 7025 LCT User Manual.

System Description



5.12 Connection to Network Management Systems

5.12.1 SURPASS NE connect to TNMS

Fig. 5.5 shows the integration of SURPASS hiT 7025 network elements in the TMN system. Access from the TMN to SURPASS hiT 7025 NEs is fulfilled via SNMP over TCP/IP/PPP or (direct access) and SNMP over TCP/IP/PPP or TCP/IP/HDLC or TCP/IP/OSILight (via dedicated SOH channels within traffic links – DCCM or DCCR) interfaces.

OSILight is an IP over CLNS (Connectionless Network Service) Tunnel protocol stack. OsiLight lets IP traffic be transported over Connectionless Network Service; for instance, on the data communications channel (DCC) of OSI based SDH equipment. OsiLight enhances interactions with the CLNS network, allowing IP packets to be tunneled through the Connectionless Network Protocol (CLNP) to preserve TCP/IP services. The selection of PPP, HDLC, or OsiLight is user configurable.

hiT 7025 hiT 7025

TMN(Telecommunications Management Network)

EM(Element Manager)

F

IP over PPP or HDLC

SNMP over TCP/IP

hiT 7025OSI based

DCC

IP over OsiLight

IP over OsiLight

Fig. 5.5 Embedding of SURPASS hiT 7025 NEs in a TMN System

System Description



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5.12.2 SMA NE connect to TNMS

Fig. 5.6 looking into below DCC interconnecting, the remote SMA devices (other Nokia Siemens Networks products such as hiT 7070, hiT 7300 .etc) are connected transparently to the management system using LAPD tunnel over GRE.

Generic Routing Encapsulation (GRE) is a mechanism for encapsulating any network layer protocol over any other network layer protocol. In the general case, a network layer packet, called the payload packet, is encapsulated in a GRE packet, which may also include source route information. The resulting GRE packet is then encapsulated in some other network layer protocol, called the delivery protocol, and then forwarded. The CLNP/GRE uses the CLNP PDU and ES-IS packet as payload and IPv4 as delivery protocol.

The GRE module is triggered with callback functions form the OSILight stack or the VxWorks networking system. The OSILight stack provided interface functions to register and unregister GRE Tunnel endpoints.

SMA1/4


EM(Element Manager)

F

SNMP over OSI

SMA1/4hiT7025

LADP/ GRE

LADP/ GRE

hiT7025

IP basedDCC

Fig. 5.6 Using LADP tunnel over GRE to connect SMA to TMN System

While the system’s DCC works in GRE Bypass mode, the system will transparently forward the DCC packet to another port regardless of any layer 2 or above protocol (either LAPD/OSI or HDLC/PPP).

System Description



5.12.3 Third-party DCC transparency

SURPASS hiT 7025 also support DCC transparency function in physical layer while the NE from other suppliers (third party) are connected to the TNMS system.

By using D1-D3 or D4-D12 channels, hiT 7025 can let the management information from third party NE pass through transparently (see Fig. 5.7).


EM(Element Manager)

F

SNMP over TCP/IP

Third party NE hiT7025DCC transparency

hiT7025DCC transparency DCC transparency

Third party NE

Fig. 5.7 Third party DCC transparency

5.12.4 ECC Application

SURPASS hiT 7025 also supports ECC function while the 7025 NEs are connected with third party SDH products in between.

By making E1 as the embedded communication channel, hiT 7025 can let the management information pass through all the third party NEs (see Fig. 5.8).

System Description



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EM(Element Manager)

F

SNMP over TCP/IP

Third party NEhiT7025E1 Transmission

hiT7025VC-12 E1 Transmission

Third party NE

Fig. 5.8 ECC application

Components of the SURPASS hiT 7025



6 Components of the SURPASS hiT 7025 This chapter explains the SURPASS hiT 7025 main system components.

SURPASS hiT 7025 system

Hardware Software Package TNMS-M LCT

ETS System Rack

SURPASS hiT 7025 Subrack

FAN

PWR

SC

ST-CLK

CC + 1 x STM-4/1

CC + 1 x STM-16/4

1 x STM-4

2 x STM-1

2 x STM-1E (W/P)

2 x STM-1E IO

3 x E3/DS3 (W/P)

3 x E3/DS3 IO

21 x E1 (W/P)

21 x E1 IO

1 x GE/T

8 x FE/L2

8 x FE/T

OA

TNMS-M LCT Software

TNMS-M LCT Hardware

1) Can be equipped with various pluggable optical transceiver modules (SFP)

2) Can be equipped with various pluggable electrical transceiver modules (SFP)

1)

1)

1)

1) 2)

1) 2)

Fig. 6.1 Overview of the System Components




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6.1 Subrack and Slot Arrangement

The SURPASS hiT 7025 NE includes one subrack and all cards are hot pluggable. The SURPASS hiT 7025 subrack consists of 1 SC slot, 2 power slots, 2 cross-connect slots, 1 ST-CLK slot, 8 traffic slots and 4 I/O slots which can be flexibly configured for interface cards usage.

The subrack layout (front view) is shown below (Fig. 6.2).

CC2

LC1

FanTray

CC1

SC

LC2

LC3

LC4

LC5

LC6

LC7

LC8

I/O1

I/O2

I/O3

I/O4

ST-CLK

PWR1

PWR2

Fig. 6.2 Subrack Slots




The subrack layout is shown below and the allowable cards in each slot are described in Tab. 6.1.

SLOT

Interface

SC

CC1

to

CC2

LC1

to

LC2

LC3

to

LC4

LC5

to

LC8

IO1

to

IO2

IO3

IO4

ST-CLK

PWR1

to

PWR2

FAN Max. number

of modules

SC √ 1

PWR √ 2

FAN √ 1

CC + 1 × STM - 4/1 √ 2

CC + 1 × STM -16/4 √ 2

ST-CLK √ 1

1 × STM-4 √ √ √ 1 4 or 8

2 × STM-1 √ √ √ 2 4 or 8

1 × GE/T √ √ √ 8

8 × FE/L2 √ √ √ 2 or 4 3

8 × FE/T √ √ √ 8

21 × E1(W/P) √ 4(1:N protection N<=3)

21 × E1 I/O √ √ √ 4

3 × E3/DS3(W/P) √ 2(1:1 protection)

3 × E3/DS3 I/O √ √ 2

2 × STM-1E(W/P) √ 2(1+1protection)

2 × STM-1E I/O √ 1

OA √ √ √ 8

Tab. 6.1 Subrack Slot Arrangement

1 The slot 5, 6, 7, 8 are available for 1 x STM-4 card when NE is equipped with CC + 1 x STM -16/4 cards, up to eight 1 x STM - 4 cards can be equipped in the system. 2 The slot 5, 6, 7, 8 are available for 2 x STM-1 card when NE is equipped with CC + 1 x STM -16/4 cards, up to eight 2 x STM - 1 cards can be equipped in the system. 3 When NE is equipped with CC + 1 x STM-4/1, up to two 8 x FE/L2 cards can be equipped in the system. When NE is equipped with CC + 1 x STM-16/4, up to four 8 x FE/L2 cards can be equipped in the system.




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6.2 List of Cards Supported

SURPASS hiT 7025 supports following cards:

Card Name Explanation

Power Supply 1 × -48V (range -40V ~ -72 V) power supply

Fan Unit Fan unit

Air Filter Air Filter

SC System controller

CC +1 × STM4/1 Cross-connect and timing function card with one STM-4 or STM-1 line interface

CC + 1 × STM16/4 Cross-connect and timing function card with one STM-16 or STM-4 line interface

ST-CLK Station clock input and output function

1 × STM-4 Optical interface card

2 × STM-1 Optical interface card

1 × GE/T Transparent Ethernet interface card

8 × FE/L2 Layer 2 Ethernet interface card

8 × FE/T Transparent Ethernet interface card

21 × E1 (W/P) 21 × E1 electrical interface card with up to 1:3 protection function

21 × E1 I/O 21 × E1 electrical interface card

3 × E3/DS3 (W/P) 3 × E3/DS3 electrical interface card with 1:1 protection function

3 × E3/DS3 I/O 3 × E3/DS3 electrical interface card

2 × STM-1E (W/P) 2 × STM-1 electrical interface card with 1+1 protection function

2 × STM-1E I/O 2 × STM-1 electrical interface card

OA 1 channel uni-directional optical amplifier, can be used as pre-, post-, or inline amplification applications

Tab. 6.2 Overview of SURPASS hiT 7025 Cards

For more detailed information about the modules/cards see the following chapters.




6.3 Power Supply Card: PWR

The power supply card supports -48 V (range -40 V ~ -72 V) DC power. It converts the input supply voltage into regulated operating secondary voltages. The outputs are isolated from the input. All output circuits have a common reference point, which is connected to the grounding layers on the backplane.

There is one green LED labelled PWR on the module. LED ON indicates that the corresponding power supply is on; otherwise the power supply is off.

The power supply card is a pluggable module and is hot swappable. The SURPASS hiT 7025 supports dual -48 V DC power supply. There are two power supply slots located on the slot PWR1 and slot PWR2.

One power supply card can be equipped in any one of the power supply slots to support the whole system. Faceplate

Fig. 6.3 Power Card Faceplate

LEDs

LED Name Color Status Functional Description

ON Power is on Power Green

OFF Power is off

ON There are fault conditions presented in this card Fault Red

OFF This card is in normal condition

Tab. 6.3 Power Card LEDs




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6.4 Fan Tray

SURPASS hiT 7025 has one fan tray to support subrack cooling. The fan tray is equipped with 4 fans and is located at the left of the subrack. The fan tray is replaceable when the system is in service.

Faceplate

SURPA

SS hiT7

025

Fig. 6.4 Fan Tray Faceplate

6.5 System Controller Card: SC

Function

The SC card performs system control function. The SURPASS hiT 7025 system supports single system controllers. The system controller is equipped in the SC slot to manage the whole system.

Faceplate

Fig. 6.5 System Controller (SC) Card Faceplate




External Interfaces

Interface Description

CONSOLE RS232 interface, DB9 connector, local configuration interface

MDI 2 × RJ-45 connectors to provide 8 MDI ports

MDIs are used to read the status of external alarm-points. Both the MDI description and severities are provisionable on the management system

MDO 1 × RJ-45 connector to provide 4 MDO ports

MDOs are used to drive external devices. MDO actions are activated or deactivated manually by the management system

ALM RJ-45 alarm output interface, providing one audio and three video alarm control

EOW 1 × RJ-45 connector for (E1, E2) and/or F1 user channel

The one to one call or multiple parts conference call can be performed among the nodes with an external box connected through this interface

MGMT RJ-45 connector, 1 × 10/100M Base-T management interface

RST SC card reset

LED TEST LED test button

ACO Alarm cut off button. The alarm outputs connected to the rack-top alarming module will be cut off by pushing the button once a time. System indicators (critical/major/minor LEDs) on the NE will not be suppressed

Suppress Alarm suppress button. The existing alarms (both audio and visible critical/major/minor LED indicators) on SI card will not be shown on the system and the rack-top alarm module when the button is pushed until the next alarm occurs

Tab. 6.4 System Controller (SC) Card Interface




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LEDs

Name Color Status Functional Description

ON This module is in the active mode ACTIVE Green

OFF This module is in the standby mode

ON Power is available to the system PWR Green

OFF Power is off

ON There are fault condition on this module FAULT Red

OFF There is no alarm on this module

ON One or more critical alarms are present

Flashing

One or more critical communication alarms are present, or any card is mismatch or faulty (Major alarm LED will flash at the same time)

CR Red

OFF No critical communication alarms are present, and card/system is in service

ON There are one or more major alarms present

Flashing When any optional service card is mismatch or faulty, Major alarm LED and Critical alarm LED will flash at the same time

MJ Orange

OFF No major alarms

ON There are one or more minor alarms present

MN Yellow OFF

No minor alarms

(Note: warning and indeterminate alarms won’t turn the LED on.)

Tab. 6.5 SC Card LEDs

6.6 System Interface Card: ST-CLK

The SURPASS hiT 7025 equipment has a system interface card on the top of the chassis to provide two pairs of station clock input / output. See below:




Fig. 6.6 System Interface Card Panel

Interfaces

The following table lists the interface and control buttons on this panel:

Interface Functional description

IN (CLK) CC4 connector, 75 Ohm coaxial

2048 kbps (ITU-T G.703-6) or 2048 kHz (ITU-T G.703-10)

OUT (CLK) CC4 connector, 75 Ohm coaxial

2048 kbps (ITU-T .703) or 2048 kHz (ITU-T G.703-10)

Tab. 6.6 Rear System Management Interface Panel Interfaces

LEDs

Name Color Status Description

ON Power is available to the card PWR Green

OFF Power is off

ON There are fault conditions presented in this card FAULT Red

OFF The card is normal condition

Tab. 6.7 System Management Interface Panel LEDs




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6.7 Cross-connect and Timing Card

SURPASS hiT 7025 provides two types of the CC cards: CC + 1 x STM-4/1 and CC + 1 x STM-16/4.

The CC cards provide cross-connect functions, timing functions and STM-4/1 or STM-16/4 optical interfaces. All their functions are described in the following sections.

6.7.1 Cross-connect Architecture and Capacity

The cross connection is a “high order + low order” switch fabric. The following types of cross-connections are possible on both cross-connection units:

• Unidirectional

• Bidirectional

• Loop backs

• Multicast (1 to 4 for VC-4,1 to 21 for VC-3,1 to 63 for VC-12)

CC + 1 x STM-4/1 card

The CC + 1 x STM 4/1 provides 7 Gbps HOCC (45 × 45 VC-4s) at VC-4 granularity and 2.5 Gbps LOCC (1008 × 1008 VC-12s) at VC-12 or VC-3 granularity. The switching matrix provides a non-blocking switching of traffics at VC-4, VC-4c, and VC-3 and VC-12 levels.

The cross-connect structure is shown in Fig. 6.7.




STM 4/1

HOCC: 7 GbpsLOCC: 2.5 Gbps

(1+1)

622 Mbps Bandwidth155 Mbps Bandwidth

LC7

LC8

LC5

LC6LC2

LC3

LC4

STM 4/1LC1

Fig. 6.7 CC + 1 x STM-4/1 Card Cross-connect Architecture

CC + 1 × STM-16/4 card

The CC + 1 × STM-16/4 card provides 15 Gbps HOCC (97 × 97 VC-4s) at VC-4 granularity and 5 Gbps LOCC (2016 × 2016 VC-12s) at VC-12 or VC-3 granularity. The switching matrix provides a non-blocking switching of traffics at VC-4, VC-4c, VC-16c, VC-3 and VC-12 levels.

The cross-connect structure is shown in Fig. 6.8.




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STM 16/4

HOCC: 15 GbpsLOCC: 5 Gbps

(1+1)

2.5 Gbps Bandwidth622 Mbps Bandwidth

LC7

LC8

LC5

LC6LC2

LC3

LC4

STM 16/4LC1

Fig. 6.8 CC + 1 x STM-16/4 Card Cross-connect Architecture

6.7.2 Timing Function

The Timing function selects a recovered clock from one of the line inputs, a station clock from the central office (two independent connections are provided), an E1 tributary input, or an internal Stratum 3 (supports ITU-T G.813 Option 1 Stratum 3) reference (on the cross-connect and timing module) as the system-timing reference. Up to 8 candidate references may be selected among all STM-N, 2Mbps traffic ports and two 2 MHz or 2 Mbps external inputs in the system. Operator can identify up to four timing reference quality levels, which can be prioritized to provide protection. A slow-reference tracking loop allows the Timing function to synchronize to the recovered clock, which provides holdover if the reference is lost.

The System Timing References are: • Station External Timing (2 Mbps or 2 MHz) input/output

• STM-N Optical Network Interfaces

• STM-1, E1 client Interfaces

The SURPASS hiT 7025 can run in free running, holdover, or locked mode. The normal synchronous mode is locked mode. If all of the reference sources fail, the system switches to holdover mode. The accuracy of the local oscillator is ±4.6 ppm over 20 years.




A Synchronization Status Message (SSM) signal can be used to transfer the signal quality level throughout a network. This will guarantee that all network elements will always be synchronized to the highest quality clock available.

The SURPASS hiT 7025 supports SDH SSM algorithm on all STM-N interfaces and on the framed 2 Mbps synchronization output signal (connected to the station output clock): • SSM function support can be user provisioned as “enabled or disabled”.

When the SSM function is disabled in the NE, all STM-N interfaces and the framed 2 Mbps synchronization output signal interface will send out a DNU (do not use for sync) signal.

• There are 4 possible quality levels specified in the SSM for timing reference sources: PRC, SSU-A, SSU-B, and SEC. In addition, DNU is specified in SSM. The quality of each timing reference source can either be retrieved from the incoming SSM or provisioned from the network management system.

• The SURPASS hiT 7025 supports the synchronization source switching algorithm based on SSM defined in ITU-T G.781.

• The wait-to-restore (WTR) time for timing reference source is between 0-12 minutes and can be set from the network management system in minute increments. The default value is 5 minutes.

6.7.3 STM-N Interface

The CC board provides 1 × STM-4/1 or 1 × STM16/4 optical interface. The interface is fully compliant with ITU-T G.707 and G.957 standards.

The current optical line interface on the CC card uses an SFP (Small Form-Factor Pluggable), with multiple SFP types for different transmission distance applications. The optical line interfaces also support ALS (Automatic Laser Shutdown) functionality and optical performance monitoring (including bias current, input optical power, and output optical power).




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External Interfaces


STM-16 optical interface LC connector

• STM-16 SFP options:

− STM-16 (L16.3, 80 Km)

− STM-16 (L16.2, 80 Km)

− STM-16 (L16.1, 40 Km)

− STM-16 (S16.1, 15 Km)

• DWDM options:

− DWDM 2.5 G SFP, 120 Km

− CWDM 2.5 G SFP

• STM-16 SFP with OA options:

− STM-16 (L-16.2, 120 Km, with 13 dBm booster amplifier)

− STM-16 (L-16.2, 160 Km, with 18 dBm booster amplifier)

− DWDM SFP, 180 Km, with 18dBm booster amplifier at TX, DCM and Pre-optical amplifier at RX

STM-4 optical interface LC connector


− STM-4 (V4.2 120 Km)

− STM-4 (L4.2 80 Km)

− STM-4 (L4.1 40 Km)

− STM-4 (S4.1 15 Km)

− Bidirectional STM-4 SFP

STM-1 Optical Interface LC connector


− STM-1 (V1.2 120 Km)

− STM-1 (L1.2 80 Km)

− STM-1 (L1.1 40 Km)

− STM-1 (S1.1 15 Km)


Tab. 6.8 CC Card interfaces




6.7.4 CC Card Faceplate and LEDs

Fig. 6.9 CC + 1 x STM-4/1 card faceplate

Fig. 6.10 CC + 1 x STM-16/4 card faceplate

LEDs

LED Name Color Status Description


OFF Power is off

ON The card is in working state ACT Green

OFF The card in standby state

ON There are fault conditions presented in this module FAULT Red

OFF This module is in normal condition

ON Optical link is normal LINK Green

OFF Optical link is off

Tab. 6.9 CC Card LEDs




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6.8 Optical STM-4 Interface Card: 1 × STM-4

Function

This card provides 1 × STM-4 optical interfaces. The STM-4 interfaces are fully compliant with ITU-T G.707 and G.957 standards. The client side STM-4 optical interface uses SFP optical interfaces.

Any STM-4 interface on this module can be paired with any other STM-4 interface on the same module or on different module to support MSP, SNCP and MS-SPRing.

For the traffic slots available for this card, please see Tab. 6.1.

Faceplate

Fig. 6.11 1 × STM-4 card faceplate

External Interfaces




− STM-4 (V4.2 120 Km)

− STM-4 (L4.2 80 Km)

− STM-4 (L4.1 40 Km)

− STM-4 (S4.1 15 Km)


Tab. 6.10 1× STM-4 Card External Interfaces




LEDs



OFF Power is off



ON Optical link is normal LINK Green


Tab. 6.11 1 × STM-4 Card LEDs

6.9 Optical/Electrical STM-1 Interface Card: 2 × STM-1

Function

This card provides 2× STM-1 optical or electrical interfaces. The STM-1 interfaces are fully compliant with ITU-T G.707 and G.957 standards. The client side STM-1 interfaces use optical or electrical SFP modules.

Any STM-1 interfaces on this card can be paired with any other STM-1 interface on the same module card or on a different module card to support MSP and SNCP.


Faceplate

Fig. 6.12 2 × STM-1 Card Faceplate




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External Interfaces




− STM-1 (V4.2 120 Km)

− STM-1 (L1.2 80 Km)

− STM-1 (L1.1 40 Km)

− STM-1 (S1.1 15 Km)


STM-1 Electrical Interface DIN 1.0/2.3 75 Ohm, SFP Electrical Interface module:

Typical cable length: 100 meter (attenuation at 78 MHz must be less than 13.7 dB)

Tab. 6.12 2 × STM-1 Card External Interfaces

LEDs



OFF Power is off



ON Optical link is normal LINK 1

LINK 2 Green


Tab. 6.13 2× STM-1 Card LEDs




6.10 Electrical 155Mbps Interface Card: 2 × STM-1E (W/P), 2 × STM-1E IO

Function

SURPASS hiT 7025 offers 2 × STM-1E electrical interface cards, and supports the redundant (1+1) 2 × STM-1E module protection function.

A set of (1+1) 2 × STM-1E protection modules includes two 2 × STM-1E (W/P) functional boards and one 2 × STM-1E IO board. A set of 2 × STM-1E (no protection) modules include one 2 × STM-1E function board (LC4) and one 2 × STM-1E IO board.

The 2 × STM-1E (W/P) functional board performs 2 × STM-1E signal mapping and framing function.

The 2 × STM-1E IO board provide 2 × STM-1E interfaces. This board is connected to both 2 × STM-1E (working) and 2 × STM-1E (protection) module simultaneously.

In normal condition, the STM-1E client interface is connected to the 2 × STM-1E (working) board. When the 2 × STM-1E (working) board fails, the 2 × STM-1E IO board will switch to the 2 × STM-1E (protection) board.

Fig. 6.13 depicts the functional block diagram of 2 × STM-1E (W/P) protection modules.

2 x STM-1E transceiver and Framing function2 × STM-1E IO

2 × STM-1E (W)

2 x STM-1E transceiver and Framing function

SC

SelectorRelay

To CC boardvia Backplane

2 × STM-1E (P)

Fig. 6.13 Functional block diagram of 2 × STM-1E (W/P)




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The hiT 7025 chassis supports one group of 2 × STM-1E protection modules.

The allowable slots for the 2 × STM-1E (W/P) interface modules are summarized in Tab. 6.14.

Protection Pair

(3 slots) Board Name

Allowable Slots

2× STM-1E IO IO4

2× STM-1E (W/P) LC3(P) LC4(W)

Tab. 6.14 2 × STM-1E (W/P) allowable slots

Faceplate

Fig. 6.14 2 × STM-1E (W/P) faceplate

Fig. 6.15 2 × STM-1E IO faceplate




External Interface


STM-1E Electrical Interface

CC4 connector

Transmission distance: 0 to 53 m (-15 dB receiving sensitivity)

Tab. 6.15 External interfaces of 2× STM-1E line interface module

LEDs


ON Power is available to the card Power Green

OFF Power is off



ON There are fault conditions presented in this module Fault Red


Tab. 6.16 2× STM-1E interface module LEDs

6.11 Electrical 34/45 Mbps Interface Card: 3 × E3/DS3 (W/P), 3 × E3/DS3 IO

Function

This module has 3 × E3/DS3 software configurable interfaces; each E3/DS3 signal is mapped into a Lower Order VC-3 and forwarded to line interface for transmission. The E3/DS3 interface uses CC4 connectors. The maximum distance for the service interface is up to 667 meters.

Fig. 6.16 depicts the functional block diagram of the 3 × E3/DS3 (W/P) module 1:1 protection connections. In normal conditions, the I/O cards connect to working cards; if one of the working cards fails, the corresponding I/O card will immediately switch to the protection card.




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LC3 LC4 IO33 × E3/DS3Protection

3 × E3/DS3IO

3 × E3/DS3Working

3 × E3/DS3

Back Plane

IO43 × E3/DS3

IO

3 × E3/DS3

Fig. 6.16 Functional block diagram of 3 × E3/DS3 (W/P) 1:1 protection module

The protection board is located in the LC3 slot; the working board is located in LC4; the I/O board is located in IO4 slot. If protection is not needed, the two working boards are located in the slots LC3 and LC4; and the I/O boards are located in the slotsIO3 and IO4.

Faceplate:

Fig. 6.17 3 × E3/DS3 (W/P) module faceplate




Fig. 6.18 3 × E3/DS3 IO module faceplate

External Interfaces:


E3/D3 Interface CC4 connector

Transmission distances: 0 to 667 m (-20 dB receiving sensitivity)

Tab. 6.17 3× E3/DS3 module external module

LEDs:


ON Power is available to the card. PWR Green

OFF Power is off





Tab. 6.18 3 × E3/DS3 module LEDs




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6.12 Electrical 2 Mbps Interface Card 21 × E1 (W/P), 21 × E1 I/O

Function

The 21 × E1 interface module contains the following two long cards:

• 21 × E1 (W/P) Function card.

This card provides ITU-T G.707 asynchronies mapping of E1 signal into a VC-12 container.

• 21 × E1 I/O Interface card.

This card is connected with 21 × E1 (W/P) card to provide 21 E1 interfaces using three 2 mm connectors. Each E1 interface is a 2.048 Mbps electrical interface and is in compliance with the ITU-T G.703 standard. Two different card types for balanced 120 Ohm or unbalanced 75 Ohm signal lines are available for this module.

The 21 × E1 (W/P) and 21 × E1 I/O cards work together to provide 21 × E1 interfaces with function with up to 1:3 protection. The 1:3 protection group supports up to 63 E1 ports (see Fig. 6.19).

LC8 LC5 LC6 IO1 IO2 IO321 × E1

Protection21 × E1

I/O21 × E1Working

21 × E1

Back Plane

LC721 × E1

I/O21 × E1

I/O

21 × E1 21 × E1

21 × E1Working

21 × E1Working

IO421 × E1

I/O

21 × E1

Fig. 6.19 21 × E1 Card (1:3 Protection)




In normal conditions, the I/O cards connect to working cards; if one of the working cards fails, the corresponding I/O card will immediately switch to the protection card.

The hiT 7025 chassis supports 1:1, 1:2 and 1:3 21 × E1 module protection group. The 21× E1 protection card is always located in slot LC8, and the 21 × E1 working cards can be installed in any slots from LC5 to LC7. The 21 × E1 I/O cards are installed in slot IO1~IO4. Their locations must obey the configuration rules described below:

21 × E1 I/O 21 × E1 Working 21 × E1 Protection

IO1 LC5

IO2 LC6

IO3 LC7

IO4 LC8(for extra traffic)

LC8

Tab. 6.19 21× E1 Protection Group Configuration Rule


Each port supports retiming functionality. The retiming function can be enabled or disabled on a per port basis.

Faceplate

Fig. 6.20 21 × E1 (W/P) Card Faceplate




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Fig. 6.21 21 × E1 IO (75 Ohm) Card Faceplate

Fig. 6.22 21 × E1 IO (120 Ohm) Card Faceplate

E1 Interfaces


Using 2 mm Connectors:

1-7, 8-14, 15-21 E1 Interface, Electrical,

120 Ohm, balanced


Using 2mm Connectors:

1-7, 8-14, 15-21 E1 Interface, Electrical,

75 Ohm, unbalanced


Tab. 6.20 21 × E1 IO Card Interfaces




LEDs



OFF Power is off





Tab. 6.21 21 × E1 (W/P) Card LEDs

6.13 Gigabit Ethernet Interface Card: 1 × GE /T

Function:

The 1 × GE/T module provides one 1000 Base-X interface with transparent function. GE signal is encapsulated into GFP packets and then mapped into VC-4-Xv (X=1 …4) or VC-3-Xv (X=1 …12) payload for transmission.

The functional block diagram of this module is depicted in Fig. 6.23.

Dual 1000Base-X

PHY

EOS (GFP, LAPS,

VC-4-Xv)GE SFP 1

Network side:Up to 4xVC-4 bandwidth(to CC module through the backplane)

Fig. 6.23 1 × GE/T service interface module functional block diagram




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Summary of key functions: • The GE ports support auto negotiation, flow control, IEEE 802.3 and

Ethernet II frame structure.

• GFP encapsulation (ITU-T G.7041/Y.1303)

• VCAT

• Jumbo packet supported

• VC-4-Xv mapping

• VC-3-Xv mapping

• LCAS supported

• SDH and Ethernet performance monitoring and alarms

Faceplate:

Fig. 6.24 1 x GE/T Card Faceplate

External Interfaces:

Each port can be equipped with the following SFP modules in accordance to IEEE 802.3:





LC Connector

• GE Optical SFP Options:

− GE-ZX (80 Km)

− GE E (35 Km)

− GE-LX (10 Km)

− GE-SX (500 m)

− Bidirectional SFP

GE Electrical SFP Option : • RJ-45 Connector, each RJ-45 supports one GE

traffic, 1000 Base-T (100 m Electrical SFP)

( Note : The auto-negotiation function is supported by this GE SFP)

Standard compliance:

• 1000 BASE-FX（IEEE 802.3u）

Data rate supported：

• 1000 Mbps （half-duplex, duplex, flow control）

GE optical/electrical Interfaces

Cables:

• 1000 BASE-T: supports 1000 Mbps data- rate up to 100 meters reach over unshielded twisted-pair Category 6 cable

Tab. 6.22 1 × GE/T service interface module external interfaces




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LEDs:



OFF Power is off



ON The link with remote interface is normal Link Green

OFF The link with remote interface is down

Tab. 6.23 1 × GE/T service interface module LEDs

6.14 Fast Ethernet Interface 8 × FE/T

SURPASS hiT 7025 supports 8 × FE/T card (T means the card supports transparent transmission of FE traffic).

The Fast Ethernet interface cards provide the means to map 10/100 Base-T Fast Ethernet client signals into VC-12-Xv for transport. The Generic Framing Procedure GFP-F ITU-T G.7041 encapsulation protocol is supported for mapping Fast Ethernet (FE) traffic into SDH VC-12-Xv (X=1….46) or VC-3-Xv (X=1…3) payloads.

Function

The 8 × FE/T card has 8 × 10/100M Base-T IEEE 802.3 compatible Ethernet interface ports, and can provide transparent transmission for up to 8 10/100 M connections.

The 8 × FE/T card provide the means to map up to 8 Fast Ethernet client signals of type 10/100 Base-T into 8 × VC-12-Xv (X=1…46) or VC-3-Xv (X=1…3) channels. The interface and the protocol adaptation from Ethernet to SDH are achieved by GFP-F encapsulation. The LCAS feature is supported.

The overall payload capacity of the backplane interface (4 × VC-4) allows the provisioning of transparent long-distance LAN services. The virtual concatenation (VC) feature enables the supply of secure, dedicated and right-sized bandwidth for Ethernet transport. Up to 8 channels can be created with VC-12 granularity.

The combination of VC and LCAS creates fine-tuned and variable capacity SDH/SONET pipes to match the needs of packet data QoS (quality of service)




and customer SLAs (service-level agreements) – and to boost carriers’ traffic-handling scalability and efficiency. It can also provide soft protection schemes. When certain VC-12s in the same VC group fail, LCAS can delete the failed VCs from the group. The traffic can then be dynamically adapted to the rest of the VC-12s bandwidth for transmission. Otherwise, partial bandwidth failure will lead to the failure of all the traffic. LCAS allows hitless adjustment of the size of a virtually concatenated group of channels.


Octal 100 Base-T

PHY

EOS (GFP, LCAS,

VC-12-Xv)

4 × VC-4 for ports 1~4, 1 × VC4 for ports 5~8 to CC via backplane

8 × RJ-45

WAN PortLAN Port

1

2

3

4

5

6

7

8

2

3

4

5

6

7

8

1

Fig. 6.25 8 × FE/T Card Functional Block Diagram

Faceplate

Fig. 6.26 8 × FE/T Card Faceplate




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There are 4 RJ-45 interfaces supporting up to 8 FE traffic. Each RJ-45 provides 2 FE interfaces via extension cable/connector. See Tab. 6.25 for the pin assignment of Ethernet interfaces.

Each RJ-45 interface has two LEDs to indicate the data receiving and transmitting status for 2 FE interfaces. Take the 1(5) RJ-45 interface as an example, the left LED is used for FE 1 and the right LED is used for FE 5. Ethernet Interfaces


RJ-45 connector

Standard compliance: • 10 Base-T (IEEE 802.3)

• 100 Base-T (IEEE 802.3u)

Data rate supported:

• 10 Mbps (half-duplex, duplex, and flow control)

• 100 Mbps (half-duplex, duplex, and flow control) FE Interface, Electrical

Cables:

• 10 Base-T: 100 Ohm–two pairs shielded twisted pair cable (STP) and two pairs of unshielded twisted pair cable (Category 6 UTP). The reaching distance is up to 100 m

• 100 Base-T: 100 Ohm–two pairs shielded twisted pair cable (STP) and two pairs of unshielded twisted pair cable (Category 6 UTP). The reaching distance is up to 100 m

Tab. 6.24 8 × FE/T Card Ethernet Interfaces




Pin Number Signal Description FE Port

1 RX+ Receive Data+ A

2 TX+ Transmit Data+ A

3 RX- Receive Data- A

4 RX+ Receive Data+ B

5 RX- Receive Data- B

6 TX- Transmit Data- A

7 TX+ Transmit Data+ B

8 TX- Transmit Data- B

Tab. 6.25 RJ-45 pin assignment for 8 × FE/T Card

LED



OFF Power is off



ON The link is up RJ-45 LED Green

OFF The link is down

Tab. 6.26 8 × FE/T Card LEDs




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6.15 Fast Ethernet Interface Card 8 × FE/L2

Function

The Fast Ethernet interface cards provide the means to map Fast Ethernet client signals of type 10/100 BASE-TX into VC-12-Xv for transport. This card has 8 ×10/100 Mbps Base-T IEEE 802.3 compatible Ethernet interface ports, and can provide traffic aggregation and transmission for up to 8 uplink connections.

There are eight WAN ports on the network side. Up to 8 × 10/100 Mbps traffic can be aggregated to any of WAN ports and forwarded to a SDH line interface for transmission. Given bursty nature of data traffic, aggregation of multiple port traffic into a single group of virtually concatenated containers allows a more efficient use of the available bandwidth.

This module supports following features:

• GFP encapsulation (ITU-T G.7041/Y.1303)

• Low order virtual connection VC-12-Xv (X=1…46); the total available bandwidth on the network side is 1× VC-4; VC-3-Xv(X=1..3)

• LCAS

• Auto negotiation, flow control, IEEE 802.3 and Ethernet II frame structure

• Ethernet performance monitoring and alarms

• VLAN and double VLAN tagging, providing increased number of VLANs

• GVRP

• MSTP

• Link aggregation

• Access Control List (ACL) based on MAC addresses

• Rapid Spanning Tree (802.1w), dramatically reducing restoration time

• Layer 2 multicast functions

• Providing per port rate limiting function: the rate range of each port is from 200 kbps~100 Mbps (FE), and the rate provisioning granularity is 1 kbps.

• Providing per VLAN rate limiting function if the VLAN is assigned to a dedicated port: The rate range of each VLAN is from 200 kbps~100 Mbps (FE), and the rate provisioning granularity is 1 Kbps.

• Providing 802.1p QoS/CoS based on Ethernet port and/or VLAN

• Each card has a shareable memory space which can accommodate up to 16384 K bytes, which includes the input buffers and output buffers of every FE interface. The buffer is packet based, every packet will occupy 1536




bytes buffer, regardless of the packet size length, e.g. one 64 bytes packet will also occupy 1536 bytes buffer. Each interface has also 4 output queues, each of which can accommodate up to 96 packets to be sent out. The maximum receive buffer is 256 packets.

Layer 2Function

Octal 100Base-T

PHY

EOS (GFP, LCAS,

VC-12-Xv)

Up to 4 ×VC-4 to CC via backplane

8 × RJ45

WAN PortLAN Port

1

2

3

4

5

6

8

7

1

2

3

4

5

6

8

7

Fig. 6.27 8 × FE/L2 Card Functional Block Diagram


Faceplate

Fig. 6.28 8 × FE/L2 Card Faceplate




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External Interfaces


RJ-45 connector

Standard compliance : • 10 BASE-T (IEEE 802.3)

• 100 BASE-T (IEEE 802.3u)

Data rate supported: • 10 Mbps (half-duplex, duplex, and flow control)

• 100 Mbps (half-duplex, duplex, and flow control) FE Interface, Electrical

Cables:

• 10 BASE-T: 100 Ohm–two pairs shielded twisted pair cable (STP) and two pairs of unshielded twisted pair cable (Category 6 UTP). The reaching distance is up to 100 m

• 100 BASE-T: 100 Ohm–two pairs shielded twisted pair cable (STP) and two pairs of unshielded twisted pair cable (Category 6 UTP). The reaching distance is up to 100 m.

Tab. 6.27 8 × FE/L2 Card External Interfaces

LEDs


On The link is up. Green

OFF The link is down.

ON Current transmitting or receiving data. FE port LED

Yellow OFF No data.

Tab. 6.28 8× FE/L2 Card LEDs




6.16 Optical Amplifier Card: OA

Function

This OA (Optical Amplifier) card provides uni-directional single optical amplifier functionality with optical performance monitoring capabilities. This card is designed to compensate losses in the entire C band as Booster or Pre-amplifier in the transmission networks.

The OA card can be ordered (with different part numbers) to provide the following applications:

• Post-amplifier, 13 dBm Output Power



• Pre-amplifier, 20 dB Gain


OA Card Safety Procedures

The OA card safety procedures are described in the table below.

Feature Description

ALS After 500 ms or more of continuous presence of the LOS defect, the laser will automatically shutdown. The reduction of the optical output power at OA input port occurs within 800 ms from the moment loss of optical signal occurs at OA output port.

OA ALS Whenever the OA’s input signal vanishes, the OA’s optical output signal will be shut down. When the input signal returns, the output power will be restored.

Automatic Link restore

The minimum optical signal restore delay is 100 s

The activation for Transmitter /Receiver is less than 0.85 s

The maximum deactivation time of booster is 100 ms

The maximum activation time of an booster is 100 ms

The maximum activation time of preamplifier is 300 ms

Manual Restore

"Manual restart" or "Manual restart for test" can only be activated when the laser is shut down

Tab. 6.29 OA Card Safety Procedures




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Faceplate

Fig. 6.29 13 dBm OA card faceplate






Fig. 6.32 20 dB OA card faceplate

External Interface


Connector Type LC connector

Pre-amp -35 to -10 dBm Optical Interface Input power range

Booster amp -10 to +3 dBm

Tab. 6.30 OA Card External Interface

LED



OFF Power is off

ON The OA optical link is normal LINK Green

OFF The optical link is down



Tab. 6.31 OA Card LEDs

System Control and Monitoring



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7 System Control and Monitoring In addition to the payload signals, control, monitoring and customer-specific data signals can be transferred in the section overhead of the STM signals.

To ensure high operational safety, operation is continuously monitored by a network management system or by an operating terminal.

Network elements not connected to an operating terminal still give information about the operational state (for support in the case of maintenance work) via built-in indication elements (see Chapter 7.1 for LEDs).

System control and monitoring are performed by the ‘System Controller’ (SC). The MSC communicates with the traffic cards via different internal interfaces.

The equipment provides an SNMP/TCP/IP over Ethernet interface to the connect to the Local Craft Terminal (LCT). The equipment also provides a management interface to a LCT.

For feature enhancements or debugging, software download is possible for all units of the system. During download, the traffic is not affected.

The SURPASS hiT 7025 is integrated in the following management functions in conformity with the corresponding ITU-T Recommendations and ETS standards:

• Fault Management

• Configuration Management

• Performance Management

• Security Management

The following are of particular importance:

• Alarm processing (e.g. AIS, FTP) for localizing faulty equipment in the transmission network

• Fault diagnosis at the card level (e.g. localizing a faulty card)

• Specifying and storing configuration data. This data can be entered and requested by the network management system or the LCT




• Determining the quality parameters according to the ITU-T Recommendation G.826

• Administration of the access authorization in the LCT for various user classes with passwords

General Fault Management Functions

Fault Management is concerned with the detection, localization, isolation, and reporting of failures of the transmission signals processed by the SURPASS hiT 7025 and of its equipment. The failures and the failure processing are differentiated in two failure classes:

Transmission Failures and Equipment Failures

In addition to these two failure categories, the SURPASS hiT 7025 supports external alarm contacts, which can be used for signalling any kind of failure.

Failures are reported via the management interface and may also lead to alarm indications at the LCT (card indications, NE indications, and transport functions indications).

Fault management functions are listed below: • Detect anomalies

• Derive defects by eliminating spurious anomalies and to report some of them to the fault management function

• Trigger automatic maintenance actions (AIS insertion, laser shutdown, etc.)

• Perform alarm reduction through correlation of defects

• Perform further alarm reduction through adjustable persistence checks

• Time stamp alarm events using the real system time clock

• Issue spontaneous alarm event notifications to the LCT/OS

• Use configurable alarm forwarding to prevent the report of unwanted alarm event notifications

• Report alarms to the local alarm system

• Indicate the fault status of replaceable units

• Store alarm events and the alarm states in the current problem list for later retrieval

• Support fault location for diagnosis and maintenance assistance




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7.1 Indicating and Operating Elements of the Network Element

Indication elements (LEDs) on the cards (see 7.1.2) are a useful aid, particularly if neither a Local Craft Terminal (LCT) nor a network management system has been connected to the SURPASS hiT 7025 equipment when an alarm occur. The LEDs signal alarms at subrack and card level.

7.1.1 Operating Devices of the SURPASS hiT 7025

In the SURPASS hiT 7025 Subrack Front Panel there is a key ACO for manual acknowledgment of the alarm messages.

7.1.2 Operating and Display Elements of the Cards

LED Displays of the Cards

To assist in maintenance work, there are two LEDs on the front of each card which are visible.

• A red FAULT LED to indicate card-internal alarms.

• A green PWR status LED to indicate card power supply status.

• In addition to the red and the green LEDs which have the same behaviour as on other cards, the Ethernet cards contain yellow and green LEDs for each port giving information about Link Status and Link Activity to the operator and service technicians.

Operating Elements of the Cards

No hardware settings have to be made on the printed circuit boards of the cards. The cards are configured by software commands from the operating terminal or from a network management system when commissioning or in the case of later changes.

Help Configuration of the cards using software is explained in the TNMS-M SURPASS hiT 7025 LCT Use Manual and in online help.




7.2 Control and Monitoring by TNMS-M Network Management System

Like all the components of the SURPASS product range, the hiT 7025 is integrated to other units through a central network management system, the TNMS-M. The TNMS-M network management platform consists of the following components:

• TNMS-M SURPASS hiT 7025 LCT (Local Craft Terminal)

• TNMS-M (Sub-Network Management System)

- TNMS-M - TNMS-M SURPASShiT 7025 LCT

TNMS-M SURPASShiT 7025 LCT

hiT 7025hiT 7025hiT 7025

SNMP overTCP/IP

SNMP overTCP/IP

TCP/IP/PPP/DCC

Sub-network

Fig. 7.1 Embedding of SURPASS hiT 7025 NEs in a TMN System

7.2.1 TNMS-M SURPASS hiT 7025 LCT

The access to the Network Elements via operating terminals is enabled by TNMS-M SURPASS hiT 7025 LCT Software installed on the Craft Terminal.

The TNMS-M SURPASS hiT 7025 LCT (Local Craft Terminal) is an element management system (EMS) with a graphical interface. The LCT can manage any single NE via the DCC or DCN. The LCT supports SNMP and can be connected to hiT 7025 network elements via a network interface (Ethernet) located at the system management interface panel.

The complete SURPASS hiT 7025 LCT software consists of the following components:




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• Window Server 2003 or Window XP operation system

• SURPASS hiT 7025 LCT software package

For details on SURPASS hiT 7025 LCT software components, see the SURPASS hiT 7025 LCT User Manual.

7.2.2 TNMS-M

The TNMS-M provides both element management and sub-network management functions. It is compliant with the ITU-T FCAPS function and extends these functions to the sub-network level. The TNMS-M not only provides SDH layer management functions, but also supports the management of Ethernet, RPR, and ATM services, as well as other data interfaces．The TNMS-M offers a TMF814 northbound CORBA interface to interact with the TNMS-Core.

More detailed TNMS-M information is provided below: TNMS-M Architecture

TNMS-M is based on a distributed client, server and database architecture. The implementation technology is independent of operating systems, which enhances system compatibility. The modular software design allows the TNMS-M to provide integrated management of SDH, ATM, RPR, and Ethernet/IP networks in one platform and enables scalability for introducing additional new technologies. The TNMS-M allows multiple TNMS-M clients to manage the same network at the same time. Management at the Network Management Level by The TNMS-M or other higher-level network management system can be reached via the TNMS-M's TMF814 northbound CORBA interface.

Element Management Function

TNMS-M offers an advanced graphical interface to facilitate the configuration of each NE. Operations on NEs are shown directly on a graphical chassis view. A graphical interface of the NE shows modules and ports, which directly correspond to the real ones being managed. This gives the operator real-time status information, facilitating the management process.

TNMS-M provides standard-based TMN capabilities, including

• Fault Management

• Configuration Management

• Performance Management

• Security Management




• System Administration

Network Management Function TNMS-M provides layered management capabilities. Networks and services of different technologies (TDM, ATM, RPR, Ethernet, etc.) carried over the same MSTP platform can be managed and optimized independently through graphical management interfaces, appearing as if they were independent networks. One network of MSTP equipment will appear to the user as three different networks: an SDH network, an IP/Ethernet network, and an ATM network. The TNMS-M offers a total view of the managed MSTP network elements. It provides many sophisticated network level functions in a user-friendly fashion.

Graphical End-to-End Provisioning and Maintenance

TNMS-M supports multi-service (TDM, ATM, RPR, Ethernet, etc.), graphical, end-to-end, and fast service provisioning. This makes the creation, maintenance and management of services significantly simpler for operators.

Utilization statistics of network resources and bandwidth

This helps service providers optimize their networks by discovering potential bottlenecks.

Topology Management

TNMS-M provides a variety of network topology information. For instance, the SDH synchronization enables a direct view and real-time monitoring of the timing status and timing relationship between NEs. The TNMS-M shows the topology map with different icons to indicate different types of NEs and by using different lines to indicate different bandwidth and various other user-friendly features.

Correlation Analysis Among Circuits, PM Data, and Alarms

Provides intelligent alarm correlation analysis to enhance trouble-shooting.

Network Elements Auto-Discovery and Network Auto-Construction

For details on TNMS-M software components, see the TNMS-M User Manual.




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7.3 Management System Protection

TNMS-M provides the following mechanisms to ensure system and data security:

• Database backup and recovery

The TNMS-M is designed to allow operators to select the database back up as either a backup per request, or to perform backups periodically (using pre-defined tasks). All backups will be maintained in the backup table. Operators can retrieve any backup copies as needed.

The database backup tool can work independently of the network management system. This feature ensures that even if the network management system does not run, the database can still be backed up in time.

• MIB backup and recovery

A copy of the MIB in an NE can be transmitted to and saved at the SNM or kept in the NE. When the MIB fails, the backup copy of the MIB can be downloaded to the NE for use. The TNMS-M provides the switch over from the current MIB to the backup MIB. The system provides a separate MIB backup tool (integrated with database backup tool), which can do periodic backup and management.

• NE software recovery

The TNMS-M supports remote NE software download and switch over between NE software loads.

7.4 NE Software

The SURPASS hiT 7025 NE software architecture is highlighted below.




TNMS-M, orTNMS-M SURPASS hiT 7025 LCT

SNMP Agent

Application Management Module

Real-time, Multi-Task Operating System(VxWorks)

MIB

Hardware Drivers

SURPASS hiT 7025 NE

Fig. 7.2 SURPASS hiT 7025 Software Architecture

7.4.1 Application Management Module

The application management module is the application layer software in the embedded software system. Its main function is to fulfil configuration management and monitoring for the NE. Via standard SNMP protocol, the application management module can inter-communicate with the network management system, fulfil cross-connect management, service protection configuration, performance monitoring, and alarm surveillance. The application management module can be divided into the following sub-management system functions:

• CC (Cross-connect) module

• FM (Fault management) module

• PM (Performance management) module

• TM (Timing management) module

• IFM (Interface management) module

• Data management module

• MSP and SNCP service protection module




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Each software sub-system can be divided into two layers: Manager and Agent.. The main function of the Manager is to receive requests from the network management system, and then convert them into operating commands, which will be sent to the Agent. The Agent then receives operating commands from the Manager, and fulfils the configuration function via the interface provided by the hardware driven module. In addition, the Agent is in charge of collecting hardware information (for example, hardware failure and performance statistics), and sending them to the Manger. After related processing, the Manager converts this data into information the network management software can read and sends it to network management software.

7.4.2 Hardware Driver Modules

The SURPASS hiT 7025 NE hardware includes many integrated circuit chipsets. Hardware driven modules control these chipsets. The hardware driven modules provide the access interface between the hardware and the higher layer software (the application management module). The main functions of hardware driven modules include:

• Hardware initialization

• System auto testing

• Hardware configuration

• Interruption service

• Hardware information inquiring

• Alarm/Performance monitoring data collection and reporting

7.4.3 Real-Time Multi-Task Operation System

The embedded software in the SURPASS hiT 7025 NE was developed using the high performance VxWorks real time operating system. VxWorks is a reliable embedded software platform. It includes a high performance real time kernel, which supports preempting multi-task scheduling based on priority. It also includes task management, timing management, storage management, resource management, event management, resource management, message management, queue management and semaphore management. These basic functions offer powerful support for rapid, reliable application development.

7.4.4 SNMP Agent

The SURPASS hiT 7025 embedded software includes a standard SNMP agent module. The SNMP agent is responsible for responding to all EMS/SNM




requests including information requests and action requests. It will also automatically generate event reports to the EMS/SNM.

The SNMP communication protocol includes 3 operations: Get, Set, and Trap. Through these It will also automatically generate event reports.

The intercommunication process among the SNMP Agent, the MIB management module, and the application management module is as follows: the SNMP Agent receives requests from network management software, and then sends these requests to the MIB management module. When the MIB management module receives requests it will cause the application management module to do the related operations. At the same time, hardware driven modules and some application management modules may generate related events and data, which will be needed to report to network management software. This information will be sent to the network management software via the application management module invoking interfaces provided by the SNMP Agent and transmitting them by Trap.

7.4.5 MIB Management Module

The MIB management module is the interface of the management information database in the embedded software system of the SURPASS hiT 7025 NE. The MIB includes all configuration information and real time monitoring information in the NE. This information is managed by the MIB management module uniformly to accomplish information storage, recovery, and retrieval, modification, and notification functions.

7.5 Management Protocols and DCC

The TNMS-M or TNMS-M SURPASS hiT 7025 LCT uses SNMPv2 protocols to communicate with SURPASS hiT 7025 NEs.

The SURPASS hiT 7025 system uses TCP/IP over the SDH data communication channels (DCC) or Ethernet LAN (RJ-45 connector) to provide a local or remote craft interface for management and monitoring. The SURPASS hiT 7025 supports the following two DCC channels:

• Regeneration Section DCC (D1-D3 bytes)

• Multiplex Section DCC (D4-D12 bytes)

In the SURPASS hiT 7025, DCC is supported on all STM-N interfaces. TNMS-M or TNMS-M SURPASS hiT 7025 LCT enables the user to select which DCC is used on each STM-N interface.

TNMS-M supports TMF 814 CORBA northbound interface.

Commissioning and Maintenance



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8 Commissioning and Maintenance

8.1 Commissioning

If the SURPASS hiT 7025 has to be configured on initial commissioning, a Local Craft Terminal (LCT) has to be connected to the Ethernet interface of the hiT 7025. The hardware and software requirements at the craft terminal are described in the SURPASS hiT 7025 LCT User Manual. The craft terminal offers a graphical, menu-driven user interface.

Detailed information for commissioning the SURPASS hiT 7025 equipment and the operating terminals is given in the SURPASS hiT 7025 Installation and Test Manual.

8.2 Maintenance

The system provides sufficient alarm information to localize and clear the fault at card level. No maintenance at regular intervals is required. Maintenance measures (e.g. fault localizing) can be carried out locally via the local management interface (LCT/TNMS-M) or under remote control via the TCP/IP over DCC (LCT or a network management system).

Maintenance of the SURPASS hiT 7025 equipment is described in the SURPASS hiT 7025 Troubleshooting Manual and in the online help system.

Technical Data



9 Technical Data SURPASS hiT 7025 performance specifications for all interfaces, protection switching, power consumption, environment conditions and so on comply with the ITU-T recommendations and Institute for Electrical and Electronics Engineers (IEEE) standards.

9.1 Traffic Interfaces

The following sub-chapters provide information about the SURPASS hiT 7025 Time Division Multiplex (TDM) and packet interfaces.

Technical Data



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9.1.1 Optical STM-16 Interfaces

Item Parameters Classification of STM-16/2.5 Gbps

1 Application Code S-16.1 L-16.1 L-16.2

2 Supported Distance[km] ~15 ~40 ~80

3 Laser Types SLM SLM SLM

4 Central Wavelength [nm] 1261~1360 1261~1360 1480 ~ 1580

5 Max. Spectral Width [nm] σ-20dB=1 σ-20dB=1 σ-20dB=1

6 Min. SMSR [dB] 30 30 30

7 Average Launch Power [dBm] -5 ~ 0 -2 ~ 3 -2 ~ 3

8 Extinction Ratio [dB] 8.2 8.2 8.2

9 G.957 STM-16 Mask Margin 15% 15% 15%

10 Receiver Types PIN APD APD

11 Mini. Overload [dBm] 0 -9 -9

12 Receiver Sensitivity @BOL [dBm] -21 -30 -30

13 Receiver Sensitivity @ HT. [dBm] -19 -28 -29

14 Receiver Sensitivity @EOL [dBm] -18 -27 -28

15 Optical Path Penalty [dB] 1 1 2

16 Max. Reflect. of receiver [dB] N/A -27 -27

17 Digital Diagnostics Function Yes Yes Yes

Note:

1. The impact factors for path penalty value include the dispersion, non-linear and other effects. But dispersion is the main effect we should consider. Generally, we use G.652 fiber to test the path penalty of the SFP transceivers in all cases.

Tab. 9.1 Optical Performance of Optical Transceiver SFP at rate of 2.5 Gbps

Technical Data



Item Parameters Classification of STM-16/2.5Gbps

1 Application Code V-16.2 U-16.2 DWDM U-16.2

2 Supported Distance[km] ~120 ~160 ~180

3 Laser Types Un-cooled SLM

Un-cooled SLM

Cooled SLM

4 Central Wavelength [nm] 1530 ~ 1560 1530 ~ 1560 1555.75

5 Max. Spectral Width [nm] σ-20dB=1 σ-20dB=1 σ-20dB=1

6 Min. SMSR [dB] 30 30 30

7 Average Launch Power [dBm] -2 ~ 3 -2 ~ 3 -2 ~ 3

8 Extinction Ratio [dB] 8.2 8.2 8.2

9 G.957 STM-16 Mask Margin 15% 15% 15%

10 Receiver Types APD APD APD

11 Mini. Overload [dBm] -9 -9 -9

12 Receiver Sensitivity @BOL [dBm] -30 -30 -30

13 Receiver Sensitivity @ HT. [dBm] -29 -29 -29

14 Receiver Sensitivity @EOL [dBm] -28 -28 -28

15 Optical Path Penalty [dB] 3 3 3

16 Max. Reflect. of receiver [dB] -27 -27 -27

17 Dispersion [ps/nm] 2400 3200 2400

18 Digital Diagnostics Function Yes Yes Yes

Note:

1. V-16.2 SFP has the same optical parameter as L-16.2 SFP except its dispersion can be up to 2400 ps/nm.

2. U-16.2 SFP has the same optical parameter as L-16.2 SFP except its dispersion can be up to 3200 ps/nm.

3. DWDM U-16.2 SFP is one of 44 channels DWDM SFP listed in 2.3.8 section; its wavelength is a special one (1555.75 nm).

4. The wavelength stability of DWDM U-16.2 SFP is 100 pm.

5. 120 km transmission solution needs V-16.2 SFP plus 13 dBm booster amplifier.

6. 160 km transmission solution needs U-16.2 SFP plus 18 dBm booster amplifier.

Technical Data



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Item Parameters Classification of STM-16/2.5Gbps

7. 180 km transmission solution needs DWDM U-16.2 SFP plus 18 dBm booster amplifier and preamp with filter and 680 ps/nm DCM (suppose the fiber dispersion @1555.75 nm is 17 ps/nm).

8. DWDM SFP should be compatible with DWDM SFP MSA (Sept., 2005).

9. The wavelength of V-16.2 and U-16.2 SFP should be within the range of 1530 nm ~ 1560 nm over life and temperature.

Tab. 9.2 Optical Performance of Ultra Long Haul SFP at rate of 2.5Gbps

Technical Data



Item Parameters Classification

1 Application Code C8L1-1D2/ C8L1-0D2

2 Data Bit Rate 622 Mbps ~ 2.67 Gbps

3 Laser Types SLM

4 Central Wavelength [nm] 1471 + 20 × m (m = 0 to 7)

4.1 Channel Spacing [nm] 20

4.2 Maximum central wavelength deviation [nm] ±6.5

5 Max. Spectral Width [nm] σ-20dB=1

6 Min. SMSR [dB] 30

7 Average Launch Power [dBm] 0 ~ 5

8 Extinction Ratio [dB] 8.2

9 ITU-T G.957 STM-16 Mask Margin 15%

10 Receiver Types APD

11 Mini. Overload [dBm] -9

12 Receiver Sensitivity @BOL [dBm] -30

13 Receiver Sensitivity @ HT. [dBm] -29

14 Receiver Sensitivity @EOL [dBm] -28

15 Optical Path Penalty [dB] 2

16 Max. Reflect. of receiver [dB] -27

17 Dispersion [ps/nm] 1600

18 Digital Diagnostics Function Yes

Note:

1. 8 channels CWDM SFP are supported. Its optical performance is compliant with G.695. C8L1-1D2 is for STM-16 application and C8L1-0D2 is for GE application. It can support multi-rate application: STM-4/16, STM-16 FEC and GE. Their wavelengths are 1471 nm, 1491 nm, 1511 nm, 1531 nm, 1551 nm, 1571 nm, 1591 nm, 1611 nm.

2. Other items are the same as the above. The RX sensitivity is based on 2.48832bbps bit rate.

Tab. 9.3 Optical Performance of Multi-rate CWDM SFP

Technical Data



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Item Parameters Classification

1 Application Code

2 Data bit rate 2.48832 to 2.666057 Gbps

3 Laser Type Cooled SLM

4 Wavelength range 100 GHz channel grid in the C-band: 191.70-196.0 THz, wavelength selected

4.1 Wavelength stability (over life and temperature) ± 12.5 GHz (± 100 pm)

5 Spectral width (-20 dB) modulated 0.5 nm

6 Side mode suppression ratio > 30 dB

7 Average launch power 0 dBm to + 4 dBm

8 Extinction ratio > 9 dB (BOL), 8.2 dB (EOL)

9 ITU-T G.957 STM-16 Mask Margin 15%

10 Receiver Types APD

11 Minimum overload -9 dBm

12 Rx sensitivity @BOL -30 dBm

13 Rx sensitivity @HT -29 dBm

14 Rx sensitivity @EOL -28 dBm

15 Path Penalty 3 dB

16 Receiver reflectance < -27 dB

17 Dispersion tolerance -2400 ps/nm … + 2400 ps/nm

18 Digital diagnostic function Yes

Note:

1. 44 channels DWDM SFP are supported. It can support STM-16 and STM-16 FEC application. Its channel spacing is 100 GHz. Its wavelength table is as follows. DWDM SFP should be compatible with DWDM SFP MSA (Sept., 2005).

2. Please notice that 192.7 THz (1555.75 nm) DWDM SFP will be used for 180 km ultra-long haul transmission application.

Tab. 9.4 Optical Performance of Multi-rate DWDM SFP

Technical Data



ITU Channel Number

Frequency (THz)

Wavelength (nm)

ITU Channel Number

Frequency (THz)

Wavelength (nm)

60 196.00 1529.55 38 193.8 1546.92

59 195.9 1530.33 37 193.7 1547.72

58 195.8 1531.12 36 193.6 1548.51

57 195.7 1531.90 35 193.5 1549.32

56 195.6 1532.68 34 193.4 1550.12

55 195.5 1533.47 33 193.3 1550.92

54 195.4 1534.25 32 193.2 1551.72

53 195.3 1535.04 31 193.1 1552.52

52 195.2 1535.82 30 193.0 1553.33

51 195.1 1536.61 29 192.9 1554.13

50 195.0 1537.40 28 192.8 1554.94

49 194.9 1538.19 27 192.7 1555.75

48 194.8 1538.98 26 192.6 1556.55

47 194.7 1539.77 25 192.5 1557.36

46 194.6 1540.56 24 192.4 1558.17

45 194.5 1541.35 23 192.3 1558.98

44 194.4 1542.14 22 192.2 1559.79

43 194.3 1542.94 21 192.1 1560.61

42 194.2 1543.73 20 192.0 1561.42

41 194.1 1544.53 19 191.9 1562.23

40 194.0 1545.32 18 191.8 1563.05

39 193.9 1546.12 17 191.7 1563.86

Tab. 9.5 Multi-rate DWDM SFP wavelength table

Technical Data



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ITU Channel Number Wavelength (nm)

9 1471

10 1491

11 1511

12 1531

13 1551

14 1571

15 1591

16 1611

Tab. 9.6 Multi-rate CWDM SFP wavelength table

Technical Data




622.080 Mbps Unit S-4.1 L-4.1 L-4.2 V-4.2

15 40 80 120 Distance variant km

User class as per ITU-T G.957

Bit rate Kbit/s 622 080

Optical wavelength range nm 1274 to 1356 1280 to 1335 1480 to 1580 1480 to 1580

Code Binary (NRZ)

Transmitting side

Laser type MLM SLM SLM SLM

Spectral width

Root Mean Square nm ≤ 2.5 N/A N/A N/A

Measured 20 dB (below max. level) nm N/A ≤ 1 ≤ 1 ≤ 1

Side mode suppression dB N/A ≥ 30 ≥ 30 ≥ 30

Extinction ratio value dB ≥ 8.2 ≥ 10 ≥ 10 ≥ 10

Launched power (at point S according To ITU-T G.957) dBm -15 to -8 -3 to +2 -3 to +2 0 to 4

Maximum launched power in fault condition (at point S) Laser class 1 Laser class 1 Laser class 1 Laser class 1

Receiving side

Receiving diode PIN PIN PIN APD

Minimum Receiving Sensitivity for (BER ≤ 10-10 ) dBm -28 -28 -28

-34(BER ≤ 10-12 )

Minimum Overload dBm -8 -8 -8 -18

Maximum reflectance of receiver (at point R) dB N/A -14 -27 -27

Fiber behavior

Fiber type

Single mode (according to ITU-T G.652)




Permissible dispersion ps/nm 74 N/A N/A N/A

Path penalty by dispersion. dB ≤ 1 ≤ 1 ≤ 1 ≤ 1

Permissible section attenuation at max. dispersion dB 0 to 12 10 to 24 10 to 24 10 to 27

Technical Data



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Tab. 9.7 STM-4 optical interface (STM-4 SFP)

9.1.3 Optical GE Bidirectional SFP

Item Parameters Classification of Ge/1250 Mbps

1 Supported Distance [km] ~ 10

2 Laser Types MLM MLM

3 Central Wavelength [nm] 1260~1360 1480~1500

4 Max. Spectral Width [nm] σRMS<3.5 σ-20dB<0.88

5 Min. SMSR [dB] N/A > 30

6 Average Launch Power [dBm] -9 ~ -3 -9 ~ -3

7 Extinction Ratio [dB] > 6 > 6

8 ITU-T G.957 Mask Margin 15% 15%

9 Optical Isolation <12 < 12

10 Receiver Types PIN PIN

11 Receiver Overload [dBm] > -3 > -3

12 Receiver Sensitivity @BOL < -22 < -22

13 Receiver Sensitivity @ HT < -21 < -21

14 Receiver Sensitivity @EOL < -20 < -20

15 Optical Path Penalty [dB] <1 <1

16 Max. Reflect. of receiver [dB] N/A N/A

17 Digital Diagnostics Function Yes Yes

Tab. 9.8 STM-4 optical interface (GE BiDi SFP)

Technical Data




155.520 Mbps Unit S-1.1 L-1.1 L-1.2 V-1.2 Distance variant km 15 40 80 120 User class as per ITU-T G.957 Bit rate Kbps 155 520 Optical wavelength range nm 1261 to 1360 1270 to 1360 1480 to 1580 1480 to 1580 Code Binary (NRZ) Transmitting side Laser type MLM MLM SLM SLM Spectral width Root Mean Square nm ≤ 7.7 ≤ 3 N/A N/A Measured 20 dB below max. level) nm N/A N/A ≤ 1 ≤ 1 Side mode suppression dB N/A N/A ≥ 30 ≥ 30 Extinction ratio value dB ≥ 8.2 ≥ 10 ≥ 10 ≥ 10 Launched power (at point S according to ITU-T G.957) dBm -15 to -8 -5 to 0 -5 to 0 0 to 4 Maximum launched power in fault condition (at point S) Laser class 1 Laser class 1 Laser class 1 Laser class 1 Receiving side Receiving diode PIN PIN PIN PIN Minimum Receiving Sensitivity for (BER ≤ 10-10) dBm -28 -34 -34

-34(BER ≤ 10-12)

Minimum Overload dBm -8 -10 -10 -10 Maximum reflectance of receiver (at point R) dB N/A N/A - 25 - 25 Fiber Behavior Fiber type





Permissible dispersion ps/nm ≤ 96 ≤ 246 N/A Path penalty by dispersion dB ≤ 1 ≤ 1 ≤ 1 ≤ 1 Permissible section attenuation at max. dispersion dB 0 to 12 10 to 28 10 to 28 10 to 33

Technical Data



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Tab. 9.9 STM-1 optical interface (STM-1 SFP)

9.1.5 Optical STM-1 Bidirectional SFP

Item Parameters Classification of STM-1/155Mbps

1 Supported Distance Range [km] ~ 20

2 Laser Types MLM SLM

3 Central Wavelength [nm] 1260~13601480~1580

4 Max. Spectral Width [nm] σRMS <7 σ-20dB <1

5 Min. SMSR [dB] N/A N/A

6 Average Launch Power [dBm] -14 ~ -8 -14 ~ -8

7 Extinction Ratio [dB] >10 >10

8 ITU-T G.957 Mask Margin 15% 15%

9 Optical Isolation [dBm] >30 >30

10 Receiver Types PIN PIN

11 Receiver Overload [dBm] > -8 > -8

12 Receiver Sensitivity @BOL -32 -32

13 Receiver Sensitivity @ HT -30 -30

14 Receiver Sensitivity @EOL -28 -28

15 Optical Path Penalty [dB] 1 1

16 Reflect of receiver [dB] >14 >14

17 Digital Diagnostics Function Yes Yes

Tab. 9.10 STM-1 optical interface (STM-1 BiDi SFP)

Technical Data



9.1.6 Optical Amplifier (OA)

Parameters Min. Max. Units

Operating Case Temperature 0 65 °C

Storage temperature -40 85 °C

Environment (ESD/EMC) 700/85% V/-

Tab. 9.11 OA Card EDFA Module Absolute Ratings

Parameters Description Note

Wavelength Range 1528 nm~1562 nm 1

Pump Laser Uncooled pump

Configuration Single or Dual pump, single stage 2

Gain Flattening without GFF 3

Control Modes APC, AGC, and ACC

Transient Suppress Control

Transient Suppress Circuit

Application Types Booster or Preamplifier

Notes:

1. This wavelength range is specified as the max. wavelength range for the erbium-doped fiber amplifier using in single channel SDH application.

2. This configuration is designed for single channel SDH system up to now; dual pump or dual stages may be required for obtaining high gain or large output power.

3. For single channel SDH application, the GFF (gain flatten filter) is not required for obtaining the fine gain flatness.

Tab. 9.12 Erbium-Doped Fiber Amplifier General Specifications

Technical Data



109 (132)

BOA interface

Parameters Min. Type Max. Unit Notes

General Specifications (for all types Booster)

Wavelength Range 1528 1562 nm

Noise Figure 5.0 5.5 dB 3

Optical Power Detection Accuracy ±0.5 dB

Polarization Mode dispersion 0.3 0.5 ps

Polarization Dependent Gain ±0.2 0.5 dB

Return loss 45 dB

Transient Overshoot (5 dB Add/Drop) 0.5 1.0 dB

Transient Suppress Speed (5 dB Add/Drop)

0.5 ms

Post-amp: 13 dBm output power

Input Power Range -10 3 dBm

Small Signal Gain @Pin = -10 dBm 18 dB 1

Saturation Power @ Pin > -5 dBm 13 dBm 2

Post-amp: 15dBm output power


Small Signal Gain @Pin = -10dBm 20 dB 1

Saturation Power @ Pin > -5dBm 15 dBm 2

Post-amp: 18dBm output power


Small Signal Gain @Pin = -10 dBm 23 dB 1

Saturation Power @ Pin > -5 dBm 18 dBm 2

Notes:

The Maximum small signal gain

13 dBm Booster: when input power<= -5dBm, maximum small signal gain can be up to 18 dB.



The Saturation Power is specified at the Maximum Gain Value when the Input Power is larger than -5 dBm;

The typical value of Noise Figure is specified at the Maximum Gain and input power of 0 dBm.

Tab. 9.13 Post-amplifier Specifications

Technical Data



POA interface

Items Parameters Min. Typ Max. Unit Notes

Center Wavelength 1555.75 nm

Wavelength range (Filter Pass-band window @3dB) -0.25 +0.25 nm 3

Input Power Range -35 -15 dBm 4

Small Signal Gain (include filter attenuation ) 20 dB

Output Power Range @ PIN= -15dBm -15 -10 dBm

Gain flatness N/A dB 1

Noise Figure 5.0 6.0 dB

Optical Power Detection Accuracy

Input Power: -35 to -20 dBm

Output Power: -20 to 0 dBm

±0.5

±0.5

dB

dB

Polarization Mode dispersion 0.3 0.5 ps

Polarization Dependent Gain ±0.2 ±0.5 dB

Return loss 40 dB

Transient Overshoot

(5dB input variance @Constant Power)

0.5 1.0 dB

Transient Suppress Speed

(5dB input variance @Constant Power)

0.5 ms

Auto-shutdown Hysteresis 0.5 2 dB 2

Notes:

For single channel SDH application, gain flatness is not required.

The same as Booster amplifier.

A fixed filter (1555.75 nm ± 0.25 nm @3 dB) which is put after the output of OA to improve OSNR and sensitivity of PA is integrated in PA. DWDM SFP with fixed wavelength 1555.75 nm (both 100 G and 200 GHz grid) will be used when PA is added before optical receiver.

Error-free long term transmission should be guaranteed under worst case when input power of PA is -35 dBm ~ -20 dBm and bit rate is 2.5 Gbps.

Tab. 9.14 Pre-amplifier specifications

Technical Data



111 (132)

9.1.7 Electrical 155 Mbps Interface

Pulse Shape

(Nominally Rectangular)

All marks of a valid signal must conform to the mask irrespective of the sign. The value V corresponds to the nominal peak value.

Pair(s) in each direction One coaxial pair

Test load impedance 75 Ohm resistive

Peak voltage of a space (no pulse) 1±0.1 V

Rise time between 10% and 90% amplitudes of the measured steady state amplitude

2 ns

Transition timing tolerance referred to the mean value of the 50% amplitude points of negative transitions Negative transitions:

Negative transitions: ±0.1 ns

Positive transitions at unit interval boundaries: ±0.5 ns

Positive transitions at mid-unit intervals: ± 0.35 ns

Return loss ≥15 dB over frequency range 8 MHz to 240 MHz

Rate ¦t (kHz) ¦0 (kHz) A1 (UIp-p) A2 (UIp-p) Maximum peak-to-peak

jitter at an output port 155 520 Kbps 65 6.5 0.15 1.5

Tab. 9.15 155 520 kbit/s electrical interface parameters

9.1.8 Electrical 45 Mbps Interfaces (E 32 according ITU-T G.703)

Bit rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 44 736 Kbps

Bit rate accuracy. . . . . . . . . . . . . . . . . . .. . . . . . . . . ± 20 ppm (input)

Code. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . B3ZS

Pulse shape. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . according to ITU-T G.703

Pulse amplitude (isolated pulse). . . . . . . . . . . . . .. . 0.36 V to 0.85 V

Jitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . according to ITU-T G.824

Pairs in each direction. . . . . . . . . . . . . . . . . . . . . . .. One coaxial pair

Test load impedance . . . . . . . . . . . . . . . . . . . . . . . . 75 Ohm resistive

Technical Data



9.1.9 Electrical 34 Mbps Interfaces (E 31 according ITU-T G.703)

Bit rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 368 Kbps

Bit rate accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 20 ppm (input)

Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HDB3

Pulse shape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . according to ITU-T G.703

Nominal peak voltage of a mark (pulse). . . . . . . . . . 1 V

Peak voltage of a space (no mark). . . . . . . . . . . . . . 0 V ± 0.1 V

Nominal pulse width . . . . . . . . . . . . . . . . . . . . . . . . 14.55 ns

Jitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . According to ITU-T G.823

Return loss

860 kHz to 1 720 kHz . . . . . . . . . . . . . . . . . . . . . . . > 12 dB (in), > 6 dB (out)

1720 kHz to 34 368 kHz . . . . . . . . . . . . . . . . . . . . . >18 dB (in), > 8 dB (out)

34 368 kHz to 51 550 kHz . . . . . . . . . . . . . . . . . . . . >14 dB (in), > 8 dB (out)

Pairs in each direction . . . . . . . . . . . . . . . . . . . . . . . One coaxial pair

Test load impedance . . . . . . . . . . . . . . . . . . . . . . . . 75 Ohm resistive

Permissible cable attenuation at 17 184 kHz . . . . . .

0 dB to 12 dB, follows f (0.5) law

9.1.10 Electrical 2 Mbps Interfaces

Bit rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 048 Kbps

Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HDB3

Frequency tolerance . . . . . . . . . . . . . . . . . . . . . . . . .± 50 ppm (input)

Permissible cable attenuation at 1024 kHz . . . . . . . 0 dB to 6 dB

Nominal impedance (input and output)

according to ITU-T G.703. . . . . . . . . . . . . . . . . . . . . 75 Ohm (unbalanced) or 120 Ohm (balanced), Depending on hardware type)

Return loss

51 kHz to 102 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . > 12 dB (in), > 6 dB (out)

102 kHz to 2 048 kHz . . . . . . . . . . . . . . . . . . . . . . . . > 18 dB (in), > 8 dB (out)

2048 kHz to 3 072 kHz . . . . . . . . . . . . . . . . . . . . . . . > 14 dB (in), > 8 dB (out)

Technical Data



113 (132)

9.1.11 Gigabit Ethernet Interface, Optical

Item Parameters Classification of GbE/1.25 Gbps

1 Application Code 1000Base-SX 1000Base-LX 1000Base 1000Base-ZX

2 Supported Distance[km] ~0.5 ~10 ~35 ~80

3 Laser Types MLM MLM MLM/SLM SLM

4 Central Wavelength [nm] 770 ~ 860 1270~1355 1270~1355 1480 ~ 1580

5 Max. Spectral Width [nm] σRMS=0.85 σRMS=4 σRMS=2/

σ-20dB=1

σ-20dB=1

6 Min. SMSR [dB] N/A N/A 30 30

7 Average Launch Power [dBm] -9.5 ~ -3 -9.5 ~ -3 -4 ~ 0 0 ~ 4

8 Extinction Ratio [dB] 9 9 9 9

9 IEEE802.3 Mask Margin 10% 15% 15% 15%

10 Receiver Types PIN PIN PIN PIN

11 Mini. Overload [dBm] 0 -3 -3 -3

12 Receiver Sensitivity @BOL -20 -22 -24 -24

13 Receiver Sensitivity @ HT -19 -21 -23 -23

14 Receiver Sensitivity @EOL -17 -19 -22 -22

15 Optical Path Penalty [dB] 1 1 1 2

16 Max. Reflect of receiver [dB] -12 -12 -12 -25

17 Digital Diagnostics Function Yes Yes Yes Yes

Note

1. The1000 Base with extension distance about 35 km and 80 km is a customized product that we will provide to our customs. But according to IEEE802.3, only two standard types (1000 Base-SX and 1000 Base-LX) are defined clearly.

2. Measured at bit error rate (BER) of 10e-12, using 27-1 PRBS test data pattern.

3. To consider of aging factor, we define the receiver sensitivity at the beginning of life (BOL) should be 2~3 dB better than the standard values listed in the ITU-T G.957, according to the application code.

Tab. 9.16 Optical Performance of Optical Transceiver SFP at rate of GE/1.25 Gbps

Technical Data



9.1.12 Gigabit Ethernet Interface 1000 BaseT, Electrical

1000 BaseT Gigabit Ethernet poet acc. to IEEE 802.3-2002, IEEE 802.3ab 1000 BaseT Distance variants User class as per IEEE 802.3-2002, IEEE 802.3ab

Nominal bit rate 125.000 KBaud Frequency tolerance ± 100 ppm Code 8B/10B. scrambled, MLT5 Connector receptacle Shielded RJ-45 Transmitter behavior Output impedance 100 W differential Peak differential output voltage 0.67 V to 0.82 V (0.75 V±0.83 dB) level accuracy < 1%.( points A and B) Maximum output droop Vg >Vf * 73.1%; Vj >Vh * 73.1% Differential output templates lie within the time domain template Transmitter distortion <10 mV Master PHY Transmitter timing Jitter Unfiltered: < 1.4 ns; Filtered:< 0.3 ns Transmit Clock Frequency 125 MHz±0.01％ Return loss 2 MHz ≤ f ≤ 40 MHz: > 16 dB

40 MHz ≤ f ≤ 100 MHz: [10 – 20 * log(f /80 MHz)] dB Impedance balance 20lg(Ecm/Ediff）> 34-19.2lg（f/50）dB common-mode output voltage <50mV Receiver behavior Slave PHY Transmitter timing Jitter Unfiltered:<1.4ns；Filtered:< 0.4ns Alien Crosstalk noise rejection frame error rate<10E-7 Receiver frequency tolerance 125.00 MHz±0.01% Common-mode noise rejection 1M–250 MHz noise Cable behavior Connector plug Shielded RJ-45 Cable type S/UTP Category 6 Operating distance 100 m BER ≤ 10E-10 (100 m)

Tab. 9.17 Gigabit Ethernet Traffic Interface (1000 BaseT)

Technical Data



115 (132)

9.1.13 Fast Ethernet Interfaces 100 Base-T, Electrical

100 Base-T Fast Ethernet poet according to IEEE 803.3u 100 Base-T Distance variants User class as per IEEE 802.3u

Nominal bitrate 125.000 kBaud Frequency tolerance ± 100 ppm Code 4B/5B. scrambled, MLT3 Connector receptacle Shielded RJ-45 Transmitter behavior Output impedance 100 Ohm differential Return loss 2 MHz ≤ f ≤ 30 MHz: > 16 dB

30 MHz ≤ f ≤ 60 MHz: [16 – 20 * log(f /30 MHz)] dB 60 MHz ≤ f ≤ 80 MHz: > 10 dB

Level (950…1050) mV Single amplitude symmetry 0.98 to 1.02 Rise/fall time 3 ns c t r,f ≤ 5 ns, (10 to 90%) Duty cycle DCD < 0.5 ns (referred to 50 % of Vout) Output jitter < 1.4 ns peak-peak Overshoot ≤ 0.05 * Vout Receiver behavior Output impedance 100 Ohm differential Return loss 2 MHz ≤ f ≤ 30 MHz: > 16 dB

30 MHz ≤ f ≤ 60 MHz: [16 – 20 * log(f /30 MHz)] dB 60 MHz ≤ f ≤ 80 MHz: > 10 dB

Signal detect Assert-Time < 1000 ms De-assert-Time < 350 ms BER < 1E-12

Cable behaviour Connector plug Shielded RJ-45 Cable type S/UTP Category 6 Operating distance < 100 m Insertion loss ≤ 19 dB (12.5 MHz, 100 m)

Tab. 9.18 Fast Ethernet Traffic Interface (100 Base-T)

Technical Data



9.1.14 Electrical Ethernet Interfaces 10 Base-T

Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IEEE 802.3

Bit rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Mbps

Frequency tolerance . . . . . . . . . . . . . . . . . . . . . . . . 10 MHz

PMD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NRZI serial

Connector type at subrack . . . . . . . . . . . . . . . . . . . . RJ-45

All details regarding the 10 Base-T physical layer can be found in clauses 7 and 14 of IEEE 802.3.

9.2 Control Interfaces

Control interfaces include two network management interfaces for SNM (Synchronization Network Manager) and LCT connections on SI and one system debug interface for Command Line Interface (CLI) connection on SC.

Technical Data



117 (132)

9.2.1 SNMP/TCP/IP/Ethernet for Network Management System

Bit rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10/100 Mbps

Plug connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RJ-45

9.3 Signalling Interfaces

Signalling interfaces include one external alarm interface for station alarm output, two Miscellaneous Discrete Input (MDI) and two Miscellaneous Discrete Output (MDO) interfaces, five overhead interfaces on SI.

9.3.1 Fault Indication and Services Status LEDs

SC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 LED (green) Power

1 LED (red) FAULT

1 LED (green) ACT

1 LED (red) Critical

1 LED (orange) Major

1 LED (yellow) Minor

Optical Card . . . . . . . . . . . . . . . . . . . . . . . . 1 LED (green) Power

1 LED (red) FAULT

IO Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 LED (green) Power

Technical Data



9.3.2 Alarm Contacts

Alarm outputs

Critical/Major . . . . . . . . . . . . . . . . . . . . . . . . urgent alarm

Minor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . non-urgent alarm

Electrical characteristics

Switch Voltage:. . . . . . . . . . . . . . . . . . . . . . . . max. 30 VDC/30 VAC

Load Current:. . . . . . . . . . . . . . . . . . . . . . . . max. 500 mA

Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . short cut

Inactive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . open

9.3.3 MDI/MDO Interfaces for Customer-specific Channels

MDI Input Interface electrical characteristics

Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . -60 V ~ 0 V

Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -60 V ~ -18 V

Inactive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10 V ~ 0 V

Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 mA ~ 3 mA

MDO Output Interface electrical characteristics

Max. DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . 60 V DC @ 0.3 A

Max. AC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . 30 V AC @ 0.3 A

Max. Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 A @ 30 V DC

Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . short cut

Inactive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . open

9.3.4 EOW Interface

Voice over IP in DCC or E1, E2 channel (see chapter 9.1.13 for interface specifications).

Technical Data



119 (132)

9.4 Interfaces for Network Clock Synchronization

SURPASS hiT 7025 provides two input connection points for synchronization purposes, as framed or unframed 2 Mbps, or 2 MHz. The impedance of the interfaces can be configured as 75 Ohm or 120 Ohm. The system also provides two external synchronization outputs for synchronization purposes, optionally as framed or unframed 2 Mbps or 2 MHz. The source of these two external outputs is only timing reference or system clock and independent of the system clock reference selection.

9.4.1 2048 Kbps Interface

Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ITU-T G.703 (frequency range limited to ± 4.6 ppm)

Input Interface T3

Input frequency . . . . . . . . . . . . . . . . . . . . . . . 2048 Kbps

Input impedance . . . . . . . . . . . . . . . . . . . . . . 75 Ohm

Input voltage U0P . . . . . . . . . . . . . . . . . . . . . . . . 0.375 V to 1.5 V

Output frequency . . . . . . . . . . . . . . . . . . . . . . 2048 KHz

Output Interface T4

Output frequency . . . . . . . . . . . . . . . . . . . . . . 2048 Kbps

Output voltage U0P

With unbalanced load (75Ohm) . . . . . . . . . . . 0.75 V to 1.5 V

Technical Data



9.4.2 2048 KHz Interface

Reference. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ITU-T G.703 (frequency range limited to ± 4.6 ppm)

Input Interface T3

Input frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . 2048 kHz

Balanced mode

Input impedance . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Ohm

Input voltage U0P . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 1.9 V

Unbalanced mode

Input impedance . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Ohm

Input voltage U0P . . . . . . . . . . . . . . . . . . . . . . . . . 0.375 V to 1.5 V

Output Interface T4

Output frequency . . . . . . . . . . . . . . . . . . . . . . . . . . 2048 kHz

Output voltage U0P

With balanced load (120 Ohm) . . . . . . . . . . . . . . . 1.0 V to 1.9 V

With unbalanced load (75 Ohm) . . . . . . . . . . . . . . 0.75 V to 1.5 V

9.5 Switching and Delay Times

9.5.1 MS-SPRing Protection Switching

Switching time . . . . . . . . . . . . . . . . . . . . . . . . . . . . according to ITU-T G.841

External switch requests . . . . . . . . . . . . . . . . . . . . manual switch, lockout, forced, clear

Internal switch requests . . . . . . . . . . . . . . . . . . . . SF (from LOS, RS-LOF, RS-TIM, MS-AIS, MS-EXC)

SD (from MS-DEG)

Switching type . . . . . . . . . . . . . . . . . . . . . . . . . . . . N/A

Wait-to-restore time (for revertive operation). . . . . 1 min to 12 min (1 second steps)

Operation type . . . . . . . . . . . . . . . . . . . . . . . . . . . . revertive

Technical Data



121 (132)

9.5.2 MSP Line Protection Switching

Switching time . . . . . . . . . . . . . . . . . . . . . . . . . . according to ITU-T G.841

External switch requests . . . . . . . . . . . . . . . . . . manual switch, lockout, forced, clear

Internal switch requests . . . . . . . . . . . . . . . . . . . SF (from LOS, RS-LOF, RS-TIMMS-AIS, MS-EXC)

SD (from MS-DEG)

Switching type . . . . . . . . . . . . . . . . . . . . . . . . . . unidirectional (single-ended) or bidirectional (dual-ended)

Wait-to-restore time (for revertive operation) . . 1 min to 12 min (1 second steps)

Operation type . . . . . . . . . . . . . . . . . . . . . . . . revertive, non-revertive

9.5.3 SNC/I and SNC/N Path Protection Switching

External switch requests . . . . . . . . . . . . . . . . . . manual switch, lockout, forced, clear

Internal switch requests. . . . . . . . . . . . . . . . . SF (from SSF) Switching type . . . . . . . . . . . . . . . . . . . . . . . . . . Unidirectional or Bidirectional

Configurable persistency (hold-off time) . . . . . . 1 min to 12 min (1 second steps)

Operation type. . . . . . . . . . . . . . . . . . . . . . . . . . revertive or non-revertive

Technical Data



9.6 Power Supply

Input DC voltage (according to ETS 300 132-2) . . . . . -48 V / -60 V

(Range -40V ~ -72 V)

Input DC current (according to ETS 300 132-2) . . . . . 5 A / 4 A

Power consumption (worst case equipped) . . . .. . . . . 240 W

Maximum power consumption of cards:

PWR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 W

FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 W

SC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W

ST-CLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W

CC + 1 × STM- 16/4 . . . . . . . . . . . . . . . .. . . . . . . . . . . 25 W

CC + 1 × STM- 4/1 . . . . . . . . . . . . . . . .. . . . . . . . . . . . 20 W

1 × STM-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 W

2 × STM-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 W

2 × STM-1 E (W/P) . . . . . . . . . . . . . . . . . . . . .. . . . . . . 6 W

2 × STM-1 E EC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W

21 × E1(W/P). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 W

21 × E1 EC (120 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . 3 W

21 × E1 EC (75 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . 3 W

3 × E3/DS3 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 W

3 × E3/DS3 EC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W

1 × GE/T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 W

8 × FE/T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 W

8 × FE/L2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 W

13 dBm OA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 W

15 dBm OA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 W

18 dBm OA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 W

20 dB OA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 W

Technical Data



123 (132)

9.7 Environmental Conditions

9.7.1 Climatic Conditions

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019-1-3 Class 3.1e

Long term Temperature . . . . . . . . . . . . . . . . . . . . -5oC ~ 45 oC

Long term Relative Humidity . . . . . . . . . . . . . . . . 10% ~ 90% (40 oC )

Short term Temperature . . . . . . . . . . . . . . . . . . . . -10 oC ~ 50 oC

Short term Relative Humidity. . . . . . . . . . . . . . . . 5% ~ 95% (40 oC )

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019 Class 1.2

Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 oC ~ 60 oC

Relative Humidity. . . . . . . . . . . . . . . . . . . . . . . . . 2% ~ 98%

Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ETS 300 019 Class 2.3

Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 oC ~ 60 oC

Relative Humidity. . . . . . . . . . . . . . . . . . . . . .. . . . 2% ~ 98%

9.7.2 Electromagnetic Compatibility EMC

Electromagnetic compatibility in compliance with. ETSI EN 300 386 (2005/04) V1.3.3, Class A

Emission Radiation Emissions . . . . . . . . . . . . . . . . . . . . . . . EN 55022 (1998)

Conducted Emissions . . . . . . . . . . . . . . . . . . . . . . EN 55022 (1998)

Immunity Electrostatic Discharge Immunity. . . . . . . . . . . . . EN 61000-4-2

Radiated Immunity . . . . . . . . . . . . . . . . . . . . . . . . EN 61000-4-3

Electrical Fast Transient/Burst Immunity. . . . . . . . EN 61000-4-4

Surges Immunity . . . . . . . . . . . . . . . . . . . . . . . . . . EN 61000-4-5

Conducted Disturbances Immunity . . . . . . . . . . . . EN 61000-4-6

Technical Data



ii Note This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

9.8 Dimensions in mm

Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 × 2200 × 300

(W × H × D)

Subrack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 × 243 × 279

(W × H × D)

Cards: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (W × H)

PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224.9 × 36.0

SC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6

ST-CLK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

CC + 1 × STM-4/1 . . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6

CC + 1 × STM-16/4 . . . . . . . . . . . . . . . . . . . . . . . . 263.5 × 29.6

1 × STM-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

2 × STM-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

2 × STM-1E (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

2 × STM-1E I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

3 × E3/DS3 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

3 × E3/DS3 I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

21 × E1 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

21 × E1 IO (75 Ohm). . . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

21 × E1 IO (120 Ohm). . . . . . . . . . . . . . . . . . . . . . 129.5 × 32.6

1 × GE/T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

8 × FE/T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

8 × FE/L2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

OA (all type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129.5 × 29.6

Technical Data



125 (132)

9.9 Weights in kg

Subrack (unequipped): . . . . . . . . . . . . . . . . . . . . . . 20.9

Cards:

PWR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.311

Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.926

SC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.505

ST-CLK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.181

CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.511

1 × STM-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.194

2 × STM-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.192

2 × STM-1E (W/P) . . . . . . . . . . . . . . . . . . . . . . . 0.187

2 × STM-1E IO . . . . . . . . . . . . . . . . . . . . . . . . .. . 0.188

3 × E3/DS3 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . 0.198

3 × E3/DS3 IO . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.195

21 × E1 (W/P) . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.226

21 × E1 IO (75 Ohm). . . . . . . . . . . . . . . . . . . . . . 0.242

21 × E1 IO (120 Ohm). . . . . . . . . . . . . . . . . . . . . 0.268

1 × GE/T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.207

8 × FE/T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.213

8 × FE/L2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.296 OA (all type).. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.293

Abbreviations



127 (132)

Abbreviations 1000 Base-T Gigabit Ethernet (Electrical Dual Twisted Pair Interface)

ADM Add-/Drop Multiplexer

AIS Alarm Indication Signal (G.782, G.783)

ALS Automatic Laser Shutdown

ATM Asynchronous Transfer Mode

AU Administrative Unit (G.782) (G.783)

AUG Administrative Unit Group

B3ZS Binary 3 Zero Suppression (Code)

CC Cross-Connect

CMI Code Mark Inversion

CPE Customer Premises Equipment

DC Direct Current

DCC Data Communication Channel

DCCM DCC Multiplex Section (bytes D4 to D12)

DCCR DCC Regenerator Section (bytes D1 to D3)

DEG Signal Degraded

EM Element Manager

EMC Electromagnetic Compatibility

EN European Standard

EOW Engineering Order Wire

ETS European Telecommunication Standard

ETSI European Telecommunications Standards Institute

F Standardized Interface for the Connection to a Local Craft Terminal

FAULT Fault Alarm LED

FCS Frame Check Sequence

FE Fast Ethernet

FO Fiber Optic

FTP File Transfer Protocol

GBE Gigabit Ethernet

GBR Gigabit Ethernet

GFP Generic Framing Procedure

GUI Graphical User Interface

Abbreviations



GUIMN Graphical User Interface Manual

HBT High Bandwidth Tributary

HDLC High-Level Data Link Control

HEC Header Error Control

HO High Order (SDH Traffic)

HW Hardware

IEC International Electrotechnical Commission

IP Interworking Protocol (G.784)

ITMN Installation and Test Manual

ITU-T Telecommunication Standardization Sector of ITU

LAN Local Area Network

LBT Low Bandwidth Tributary

LCT Local Craft Terminal

LED Light Emitting Diode

LLC Logical Link Control

LO Low Order (SDH Traffic)

LOF Loss of Frame (G.783)

LOS Loss of Signal (G.783)

LP Lockout of Protection

LXC Local Cross-connect

MAC Media Access Control (ISO/IEC)

MCF Message Communications Function (G.782/783/784)

MIB Management Information Base

MSP Multiplex Section Protection

MTS Multiplex Timing Source

NCT Network Craft Terminal

NE Network Element

OA Optical Amplifier

OH Overhead

OHX Overhead Access and Overhead Cross-Connection Function

OK Service LED

opt. Optical

OS Operating System

Abbreviations



129 (132)

OSI Open Systems Interconnection

OSN Optical Service Node

OSPF Open Shortest Path First (IP Protocol)

PC Personal Computer

PDF Portable Document Format

PDH Plesiochronous Digital Hierarchy

PoS Packet over SDH

PRC Primary Reference Clock

PWR Power

RS232 Recommended Standard 232

SC System Controller

SD Signal Degrade (G.783)

SDH Synchronous Digital Hierarchy

SEMF Synchronous Equipment Management Function (G.782) (G.783)

SETS Synchronous Equipment Timing Source SF Signal Fail (G.783)

SFF Small Form-factor (STM-64 Optical Modules)

SFP Small Form-factor Pluggable (Optical Modules)

SNC/I Sub-Network Connection Inherent Monitoring

SNCP Sub-Network Connection Protection

SNMP Simple Network Management Protocol

SOH Section Overhead (G.782)

SSF Server Signal Fail

SSM Synchronization Status Message

STM Synchronous Transport Module (G.782/G.783/G.784)

STM-N Synchronous Transport Module, Level N

SW Software

T0 NE-Internal System Clock Pulse

T1 Clock Pulse, Synchronizing from STM-N Port

T3 Incoming Clock Pulse, Synchronizing from External 2048 kHz Clock Pulse

T4 Outgoing, External Synchronous Clock Pulse 2048 kHz

TCP Transmission Control Protocol

TDM Time Division Multiplex

TED Technical Description

Abbreviations



TIF Telemetry Interface

TMN Telecommunications Management Network (G.782, G.783, G.784)

TMX Terminal Multiplexer

TNMS LCT Telecommunication Network Management System

TSD Trail Signal Degrade

TSF Trail Signal Failed

TU Tributary Unit

TUG Tributary Unit Group

ULED LED Voltage

UMN User Manual

VC Virtual Container

WAN Wide Area Network

Abbreviations



131 (132)

Index

Ａ add/drop function, 19 Alarm Contacts, 113 Application Management Module, 86

Ｃ Climatic Conditions, 118 Commissioning, 90 Control Interfaces, 111 Cross-connect and Timing Card CC, 51 cross-connection capacity, 27

Ｄ Dimensions, 119

Ｅ Electrical 2 Mbit/s Interface Card 21× E1, 64 Engineering Order Wire, 34 EOW Interface, 113 Ethernet Packet Multiplexer and Mapping Functions, 30 External Alarm Interfaces, 34

Ｆ Fan Assembly, 47 Fast Ethernet Card 8× FE/T Card, 70 Fast Ethernet Interface Card 6× FE/L2, 74

Ｈ Hardware Driver Modules, 87 HO and LO VC-n Connectivity, 28

Ｌ Laser Safety Shut-down, 34 Linear Topologies with Add/Drop Function, 20

Ｍ Maintenance, 90 Management System Protection, 86 MDI/MDO Interfaces, 113 MIB Management Module, 88

MS-SPRing, 115

Ｏ Optical Amplifier Card OA, 77 Optical STM-16 Interface Card 1× STM-16, 53

Ｐ PDH Mapping into SDH Containers, 29 Power Supply Card PWR, 46

Ｒ Real-Time Multi-Task Operation System, 88 Ring Applications, 22

Ｓ SDH, 26, 28 SNMP Agent, 88 Subrack and Slot Arrangement, 43 Synchronization, 31 System Controller Card SC, 47

Ｔ T0 system clocks, 32 Technical Data, 91 Terminal-to-Terminal Topologies, 19 Timing function, 52 Timing Output Interface, 33 TNMS-M, 84 TNMS-M LCT, 83

Ｕ User Data Interfaces, 26

Ｖ VxWorks, 88

Ｗ Weights, 120

Index



Surpass Hit 7025

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