06-Chapter 6 Boards.doc

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OptiX OSN 9500

Hardware Description Manual

Contents

Contents

6 Boards 1

6.1 Overview 1

6.A.1 Classified Board Description 1

6.A.2 Board Relationships 5

6.A.3 Board Appearance 6

6.2 STM-64 Optical Interface Board JL64 8

6.A.4 Functions and Principles 8

6.A.5 Front Panel 10

6.A.6 Interface 12

6.A.7 Parameter Configuration 12

6.A.8 Specifications 14

6.3 STM-16 Optical Interface Board JO16/JQ16/JD16/JL16 15



6.A.3 Interface 20



6.4 STM-4/STM-1 Optical Interface Board JH41/JLQ4/JLH1 23



6.A.3 Interface 28

6.A.4 Parameter configuration 28


6.5 STM-1 Electrical Interface Board JLHE 31



6.A.8 Interface 35



6.6 6-Port Gigabit Ethernet Processing Board GE06 36



6.A.13 Interface 40



Huawei Technologies Proprietary

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6.7 General High Order Cross-Connect Board GXCH 42



6.A.18 Interface 46

6.A.19 Specifications 466.8 Enhanced High Order Cross-Connect Board EXCH 46



6.A.22 Interface 49


6.9 General Low Order Cross-Connect Board GXCL 50



6.A.26 Interface 53


6.10 System Control & Communication Board JSCC 536.A.28 Functions and Principles 53


6.A.30 Interface 60



6.11 Synchronous Timing Generation Board JSTG 62



6.A.35 Interface 69


6.A.37 Specifications 726.12 Synchronous Timing Interface Board JSTI 72



6.A.40 Interface 73



6.13 Orderwire Board JEOW 74



6.A.45 Interface 78



6.14 System Communication Board JCOM 81



6.A.50 Interface 84


6.15 Power Interface Board JPIU 85



6.A.54 Interface 88



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6.16 Electromechanical Information Processing Board EMPU 89



6.A.58 Interface 92

6.A.59 Parameter configuration 946.A.60 Specifications 94

6.17 Key Power Backup Board JPBU 95



6.A.63 Interface 97


6.18 Booster Amplifier Board JBA2 99



6.A.67 Interface 103

6.A.68 Parameter Configuration 1036.A.69 Specifications 103

6.19 Pre-amplifier Board JBPA 104



6.A.72 Interface 107



6.20 Dispersion Compensation Board JDCU 108



6.A.77 Interface 1106.A.78 Specifications 110


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Figures

Figures

Figure 4.1Max. access capacities for respective slots when the

subrack cross-connect capacity is 400 G 4

Figure 1.1Board relationships 6

Figure 1.1Board appearance 7

Figure 2.1Principle block diagram of the JL64 9

Figure 1.1LC optical interface 12

Figure 2.1Principle block diagram of the JO16 17

Figure 2.1Principle block diagram of the JH41 25

Figure 2.1Principle block diagram of the JLHE 32

Figure 2.1Principle block diagram of the GE06 37

Figure 2.1Principle block diagram of the GXCH 43

Figure 2.1Principle block diagram of the EXCH 47

Figure 2.1Block diagram of the GXCL 51

Figure 2.1Functional modules of the JSCC 55

Figure 2.2Functional module of the JSCC 57

Figure 2.1Principle block diagram of the JSTG 63

Figure 2.1Principle block diagram of the JEOW 75

Figure 2.1Principle block diagram of the JCOM 82

Figure 2.1Principle block diagram of the JPIU 85


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Figures

Figure 2.1Principle block diagram of the EMPU 90

Figure 2.1Principle block diagram of the JPBU 95

Figure 2.1Principle block diagram of the BA functional module onthe JBA2 100

Figure 3.1Function of the BA module in the system 101

Figure 2.1Principle block diagram of the PA module on the JBPA 104

Figure 3.1The PA module on the JBPA receives optical signals fromthe line 105

Figure 2.1Position of the JDCU in the system 108


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Tables

Tables

Table 1.1Board configuration resources 2

Table 1.1Mandatory board list 3

Table 1.1Service boards available when the subrack is configuredwith GXCH 5

Table 1.2Service boards available when the subrack is configuredwith EXCH 5

Table 1.1Board size 7

Table 1.2Widths of the board front panel 7

Table 1.1Appearance and components of the front panel 11

Table 1.1Parameter configuration 12

Table 1.1Relevant ITU-T specifications for the optical interface 14

Table 1.2Comparison among the JO16, JQ16, JD16 and JL16. 15



Table 1.1Relevant ITU-T specifications for the optical interface 22

Table 1.2Comparison between the JH41, JLQ4 and JLH1 23



Table 1.1Optical interface specifications 30






Table 1.1Front Panel 49


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Tables



Table 1.1Pinouts of Ethernet NM interface 60

Table 1.1Pinouts of F&f/OAM serial ports 60


Table 1.1Encoding mode of the SSM 66





Table 1.1Pinouts of the orderwire phone 78

Table 1.1Pinouts of interface F1 78

Table 1.2Pinouts of Serial 1Serial 4 79



Table 1.1Pinouts of the Ethernet interface 84


Table 1.1JPIU Interface description 88

Table 1.2Pinouts of HUB power interface 88

Table 1.1Appearance and components of the front panel 91Table 1.1Pinouts of ALARM interface (DB50) 92

Table 1.1Description of the indicator drive interface (DB9) 93






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6Boards

6 BoardsThis chapter introduces board classification, board appearance, andspecifications. The specifications include:

Functions and principle

Front panel

Interface

Parameter configuration

Specifications

6.1 Overview

6.A.1 Classified Board Description

The OptiX OSN 9500 has 58 slots and 40 of them are service slots, which can beinstalled with different boards as required to meet the actual networking demands.For detailed networking configurations, refer to OptiX OSN 9500 Intelligent OpticalSwitching System Technical Manual System Description.

Board configuration resources for the OptiX OSN 9500 are shown in Table 1.1.


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Table 1.1 Board configuration resources

Unit name Boardname

Full name Slot

SDH unit JL64 STM-64 Optical InterfaceBoard

IU01IU40

JO16 8 x STM-16 OpticalInterface Board

IU01IU32

JQ16 4 x STM-16 OpticalInterface Board

IU01IU40

JD16 2 x STM-16 OpticalInterface Board

IU01IU40

JL16 1 x STM-16 OpticalInterface Board

IU01IU40

SDH unit JLQ4 4 x STM-4 OpticalInterface Board

IU01IU40

JH41 16 x STM-4/STM-1Optical Interface Board

IU01IU40

JLH1 16 x STM-1 OpticalInterface Board

IU01IU40

JLHE 16 x STM-1 ElectricalInterface Board

IU01IU40

Ethernet processing unit GE06 6-Port Gigabit Ethernet

Processing Board

IU01IU40

Cross-Connect unit GXCH General High Order Cross-Connect Board

XCH

EXCH Enhanced High Order Cross-Connect Board

XCH

GXCL General Low Order Cross-Connect board

IU01IU32

System control &communication unit

JSCC System Control &Communication Board

SCC

Synchronous timinggeneration board JSTG Synchronous TimingGeneration Board STG

JSTI Synchronous TimingInterface Board

STI

Orderwire unit JEOW Orderwire Board EOW

System communicationunit

JCOM System CommunicationBoard

COM

Power interface unit JPIU Power Interface Board PIU

Electromechanical

information processing

EMPU Electromechanical

Information Processing

EPU


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Unit name Boardname

Full name Slot

unit Board

Key power backup unit JPBU Key Power Backup Board PBUFan control unit JFAN Fan Control Board FAN

Dispersioncompensation unit

JDCU Dispersion CompensationBoard

IU01IU40/DCU/STI/EOW/SIG

Booster amplifier (BA) &Pre-amplifier (PA) unit

JBPA Pre-amplifier Board IU01IU40/DCU/STI/EOW/SIG

JBA2 BA Board IU01IU40/DCU/STI/

EOW/SIG

System backplane JAFB System Backplane

Note:1. The system backplane (JAFB) has been introduced in Chapter 4 Subrack.

2. The fan control board (JFAN) has been introduced in Chapter 5 Fan TrayAssembly.

3. Other boards are covered in this chapter.

4. Slots for JO16/JQ16/JD16/JL16/JLQ4/JH41/JLH1/JLHE/GE06/GXCL dependon configuration of the cross-connect board. Refer to relevant parts of respectiveboards for details.

The board configuration principle is described as follows:

2. Mandatory Boards

Table 1.1 Mandatory board list

Unit Boardname

Protection

scheme

Remarks

Cross-connect unit GXCH/EXCH 1+1protection

GXCH and EXCH areoptional for configuration.

System control andcommunication unit

JSCC 1+1protection

Synchronous timinggeneration unit

JSTG 1+1protection

Systemcommunication unit

JCOM

Power interface unit JPIU 1+1

protection


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Unit Boardname

Protectionscheme

Remarks

Electromechanical

information processingunit

EMPU

Key power backup unit JPBU

Fan control unit JFAN

Service unit JL64/JO16/JQ16/JD16/JL16/JLQ4/JH41/JLH1/JLHE/GE06

1:3 keypowerprotection

Configured as the actualneeds of the user.

3. Optional Boards

The JSTI, JDCU, JBPA/JBA2, GXCL and JEOW can be configured as required bythe actual needs of the user.

4. Access Capacity

The maximum access capacity for the service board should not exceed themaximum cross-connect capacity of a single subrack. For example, when thecross-connect capacity of the subrack is 400 G/720 G, the maximum accessedservice should not exceed 400 G/720 G.

When the cross-connect capacity of the subrack is 400 G, and boards with

access capacity of up to 20 G are supported. The access capacities for respectiveslots are as shown in Figure 4.1.

I

U

18

0

5

G

I

U

17

0

5

G

I

U

19

1

0

G

I

U

20

1

0

G

I

U

21

1

0

G

17

I

U

22

1

0

G

I

U

23

2

0

G

I

U

24

2

0

G

I

U

25

2

0

G

I

U

26

2

0

G

I

U

27

1

0

G

I

U

28

1

0

G

I

U

29

1

0

G

I

U

30

1

0

G

I

U

31

0

5

G

I

U

32

0

5

G

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

I

U

0

2

0

5

G

I

U

0

1

0

5

G

I

U

0

3

1

0

G

I

U

0

4

1

0

G

I

U

0

5

1

0

G

01

I

U

0

6

1

0

G

I

U

0

7

2

0

G

I

U

0

8

2

0

G

I

U

0

9

2

0

G

I

U

1

0

2

0

G

I

U

1

1

1

0

G

I

U

1

2

1

0

G

I

U

1

3

1

0

G

I

U

1

4

1

0

G

I

U

1

5

0

5

G

I

U

1

6

0

5

G

02 03 04 05 06 07 08 09 10 11 12 13 14 15 16

Front slot

area

E

O

W

P

B

U

S

C

C

S

C

C

I

U

3

3

0

5

G

55

I

U

3

4

0

5

G

X

C

H

X

C

H

I

U

3

5

0

5

G

I

U

3

6

0

5

G

S

T

I

E

P

U

P

I

U

51 47 48 33 34 41 42 35 36 58 52 56

SI

G

DC

U

SI

G

CO

M

I

U

37

0

5

G

53

I

U

38

0

5

G

XC

H

XC

H

I

U

39

0

5

G

I

U

40

0

5

G

ST

G

ST

G

PI

U

49 50 54 37 38 43 44 39 40 45 46 57

Back slot

area

Figure 4.1 Max. access capacities for respective slots when the subrack cross-connect capacity is 400 G

When the GXCH is configured in the subrack, the slots can be installed withboards as follows:


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Table 1.1 Service boards available when the subrack is configured with GXCH

Slot types Available boards

20 G slots (IU7IU10 and IU23IU26)

JL64/JO16/JQ16/JD16/JL16/JLQ4/JH41/JLH1/JLHE/GE06/JBPA/JBA2/J

DCU/GXCL

10 G slots (IU3IU6, IU11IU14,IU19IU22, IU27IU30)

JL64/JQ16/JD16/JL16/JLQ4/JH41/JLH1/ JLHE/GE06/JBPA/JBA2/JDCU

5 G slots (IU1, IU2, IU15, IU16,IU17, IU18, IU31, IU32 and IU33IU40)

JD16/JL16/JLQ4/JLH1/JLHE/JBPA/JBA2/JDCU

Cross-connect slots (41, 42, 43 and44)

GXCH

When the subrack cross-connect capacity is 720 G, the access capacity foreach of the 32 slots in the front board area is 20 G, and that for each of the 8 slotsin the rear board area is 10 G.

Table 1.2 Service boards available when the subrack is configured with EXCH

Slot types Available boards

20 G slots (IU1IU32) JL64/JO16/JQ16/JD16/JL16/JLQ4/JH41/JLH1/ JLHE/GE06/JBPA/JBA2/JDCU/GXCL

10 G slots (IU33IU40) JL64/JQ16/JD16/JL16/JLQ4/JH41/JLH1/JLHE/GE06/JBPA/JBA2/JDCU

Cross-connect slots (41, 42,

43 and 44)

EXCH

6.A.2 Board Relationships

Figure 1.1 shows the relationships among the boards of the OptiX OSN 9500. Fordetails, refer to board relationships in respective sections of board principles.


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JPIU

JEOW

JD64/JL64/JO16/Q16/

JD16/JL16

JH41/

JLH1/

JLQ4/

EXCH/GXCH

EMPU

System

management

system

JLHE

GE06

JSCCJSTG JCOMJSTI

JBPA/

JBA2

JDCU

JPBU

JD64/JL64/

JO16/Q16/

JD16/JL16

JH41/

JLH1/

JLQ4/

GXCL

System orderwire

STM-4 & STM-1

STM-64 & STM-16

External clock

input/output

interface

GE

STM-4 & STM-1

STM-64 & STM-16

Key power

backup

System

environmentmonitoring

System working

power

System

communication

control

Inter-board

communicationSystem clock

Working

power input

External alarm

input/outputHUB power

output

JPIU

JSTG JSCC

EXCH/

GXCH

JSCC Active/standby

STM-1(e)

Figure 1.1 Board relationships

Note:The JDCU in Figure 1.1 is only connected with the optical interface board,responsible for dispersion compensation.

6.A.3 Board Appearance

Board architectures of the OptiX OSN 9500 are shown in Figure 1.1. By widths ofthe front panel, the boards fall into three types, as shown in Table 1.2.


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1. Power access 2. Connector 3. Captive screw

4.Board name 5. Indicator 6. Front panel

7. Ejector lever 8. Optical interface 9. Prompt

10. Power interface 11. Power switch 12. HUB power output

13. Shell

Figure 1.1 Board appearance

Note:The slot and appearance of the JFAN are not the same as those of other boards.The JFAN is installed on the fan box, responsible for fan control. There is no frontpanel on the JFAN.

Table 1.1 shows the size of the boards.

Table 1.1 Board size

Board name Size

All boards 322.25 mm (H) x 218.5 mm (D) x 2.5 mm (W)

Widths of front panels of the OptiX OSN 9500 boards fall into three specifications,as shown in Table 1.2:

Table 1.2 Widths of the board front panel

Board name Width of front panel

EXCH/GXCH 60.96 mm, see the middle one in Figure 1.1.

JPIU 50.80 mm, see the right one in Figure 1.1.

Other boards 30.48 mm, see the left one in Figure 1.1.


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Note:Always wear an ESD wrist strap when holding boards, and make sure the wriststrap is well grounded to prevent static electricity from damaging the board.

Warning:

It is strictly forbidden to stare straightly at the optical interface board and opticalinterface, lest the laser beam inside the optical fiber would hurt your eyes.

6.2 STM-64 Optical Interface Board JL64

The STM-64 optical interface board is abbreviated to JL64 hereinafter.

6.A.4 Functions and Principles

1. Functions

The JL64 integrates the transmitting and receiving of two channels of 10 Gbit/s

optical signals and performs functions such as section overhead (SOH)processing of one channel of STM-64 signals, higher order path overhead (POH)monitoring and pointer justification. It also supports ITU-T G.664.

The maximum access capacity of a single JL64 is 10 G.

The JL64 supports concatenating services in modes of VC-4-4c, VC-4-16c andVC-4-64c.

The JL64 supports mutual exclusion among inloop, outloop, non-loopback and

loopback. Non-loopback is set as the default.

The JL64 supports loopback at the optical interface. Also, it can provide

loopback alarm, cancel the loopback periodically, and insert AIS at loopback.

The output wavelength of the optical interface of the JL64 is in line with the ITU-

T Recommendation G.692, with the optical interface type being compliant with theITU-T Recommendation G.957.

The JL64 provides optical interface types of I-64.1, S-64.2b, Le-64.2, L-64.2b,

V-64.2b and 100G EA.

Items such as power feeding, environment temperature monitoring and power-

on/off control are realized through the maintenance bus (MBUS).

Items, such as communication with the JSCC, collecting and reporting the

alarm and performance events, interpreting and processing the configurationcommands sent by the network management system (NM) through the host, areimplemented by the communication channel. Through this channel, the inter-boardoverhead pass-through can also be realized when JSCC is not in position.

2. Principles

The JL64 is an interface board for 1 x STM-64 optical signals. It performs O/E and

E/O conversion, multiplexing/demultiplexing, overhead processing and pointer


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justification on the 1 x STM-64 SDH signals, and interchanges data between theactive and standby cross-connect boards through the high-speed bus.

Figure 2.1 shows a principle block diagram of the JL64.

POH

processing

SOH

termination

Frame

synchronization

/descrambling

SOH POH

insertion

O/EMultiplexing

/

Demultiplex

ingScrambling

1 x STM-64

optical signals

Control & communication module

Logical

control bus

Active/Standby

cross-connect

board

Inter-board

communication

Address busData bus

Slave MBUS

module

EMPUMBUS

E/O

Front panel interface Backplane interface

1 x STM-64

optical signals

Clock

processing

module

Communication bus

Active/Standby

cross-connect

board

SDH processing module

Figure 2.1 Principle block diagram of the JL64

O/E conversion module

It is responsible for the O/E or E/O conversion, signal multiplexing/demultiplexingand line clock extraction.


In receiving direction, it performs framing, descrambling, overhead extraction,alarming and processing of part of the overheads within itself. Such informationcan be obtained by reading the status register inside the chip.

In transmitting direction, it inserts the overhead and implements scrambling.

Clock processing module

It locks the system clock from the clock board and generates the system clock ofitself, thus to provide the SDH processing unit and the optical signal processingunit with reference clock.

Slave MBUS module

The MBUS unit is an MBUS-based maintenance and environment monitoring

module. The slave MBUS module communicates with the master MBUS modulethrough the MBUS. The MBUS unit functions temperature and voltage monitoringand the board power-on/off control.

Control and communication module

It controls the SDH processing unit, configures the services and communicateswith the JSCC. The communication between respective boards can also berealized through the JCOM, and the information transmission between boardsrequires no transfer of the system control and communication module.

In the receiving direction, it converts the overhead bytes output by the SDH signalprocessing unit and then transmits them to the JSCC.

In the transmitting direction, it receives and converts the overhead bytes from theJSCC, and then transmits them to the SDH signal processing unit and inserts


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them into the SDH SOH to be transmitted.

3. Board Relationships

Relationship with the JSCC

The JSCC sends configuration command and multiplex section (MS) switchingcommand to the JL64, and collects information such as alarm performancereported from the JL64.

The JL64 sends the overhead it receives to the system control and communicationmodule for processing. Meanwhile, it receives the transmission overhead from theJSCC and sends it out through the optical fiber.

Relationship with the cross-connect board

The JL64 transmits/receives service data from the GXCH/EXCH and receives thein-position signal and status signal of the cross-connect board.

Relationship with the JCOM

The JL64 communicates with other boards through the JCOM. Relationship with the JSTG

The JL64 transmits clock signal to the JSTG for selection. It also receives thesystem clock provided by the JSTG, and receives signals indicating whether theJSTG is in-position.

Relationship with the EMPU

Through the MBUS control module, functions such as controlling power-on/off,enabling/disabling power protection, monitoring power voltage and boardenvironmental temperature, and so on, can be implemented. Then, the collectedmonitoring information is sent to the EMPU for processing through the MBUS.

With its power fed by the EMPU and JPBU through backplane, the function of theMBUS is independent of the boards, thus ensuring its operation not influenced byboard power failure.

6.A.5 Front Panel

Appearance and components of the front panel are shown in Table 1.1.


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Table 1.1Appearance and components of the front panel

Appearance Description

RUN

ALM.JL64

IN1

OUT1

Status description of the red alarm indicator-ALM

Status Meaning Flashing

parameters

Common alarms

Normally off No alarms Normally off

The alarmindicator isnormally on,while the runningindicator isnormally off.

Self-test error Normally on

Flash three timesevery othersecond.

Critical alarmoccurs.

On for 0.3 s andoff for 0.3 s forthree times, then

off for 1 s.

R_LOS and R_LOF

Flash twice everyother second.

Major alarmoccurs.

On for 0.3 s andoff for 0.3 s twice,then off for 1 s.

MS_AIS, AU_AISand AU_LOP

Flash once everyother second

Minor alarmoccurs.

On for 0.3 s andoff for 0.3 s once,then off for 1 s.

MS_RDI, HP_TIMand HP_SLM

Status description of the green running indicator-RUN

Status Meaning Flashing parameters

Flash once everytwo seconds.

The board is operatingnormally (in-service).

On for 1 second and off for1 second.

Flash five timesevery second.

The board is not operatingnormally (not in-service).

On for 0.1 second and offfor 0.1 second.

Flash once everyfour seconds.

Database protection mode;The communicationbetween the board and theJSCC is interrupted.

On for 2 seconds and offfor 2 seconds.

Optical interface connector

LC

Size of front panel

322.25 mm (H) x 30.48 mm (W)


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6.A.6 Interface

The JL64 adopts the multi-source agreement (MSA) compliant transponder withLC optical connector and supports the ALS function. Located on the front panel of

the optical interface unit, the LC optical connector features the followingcharacteristics:

Small volume, requiring little space at the board interface, and convenient in

use.

Convenient in installation/demounting for single module, supporting hot

swapping and on-site installation.

The LC optical connector is shown in Figure 1.1.

Figure 1.1 LC optical interface

6.A.7 Parameter Configuration

Before using the JL64 for running the service, parameters should be set for itthrough the NM. Common parameter settings for the JL64 are shown in Table 1.1.

Table 1.1 Parameter configuration

Name Range and referencevalue

Meaning

J0 to betransmitted

Default value: HuaWei SBS

No more than 15 bytes

Sets the regenerator section (RS)trace byte J0 to be transmitted.

Usually the default value isselected. The settings should be the

same for the interconnectedequipments.

J0 to bereceived



Sets the RS trace byte J0 to bereceived.

Usually the default value isselected. The settings should be thesame for the interconnectedequipments.


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Meaning

J0 received No more than 15 bytes Shows the actually received RStrace byte J0.

In normal conditions, it should bethe same as the J0 value to bereceived.

J1 to betransmitted



Sets the higher order path tracebyte J1 to be transmitted.


J1 to bereceived



Sets the higher order path tracebyte J1 to be received.


C2 to betransmitted

Path unloaded signal, pathloaded non-specific payload,TUG structure, locked TU,asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal into

C-4, ATM, MAN (DQDB),FDDI, test signal or VC-AIS.

Default value: TUG structure

Sets the signal label byte C2 to betransmitted.

It should be set as the actual servicetype required.

C2 to bereceived

Path unloaded signal, pathloaded non-specific payload,TUG structure, locked TU,asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal intoC-4, ATM, MAN (DQDB),

FDDI, test signal or VC-AIS.Default value: TUG structure

Sets the signal label byte C2 to bereceived.

It should be set as the actual servicetype required.

Laser switch Range: enabled/disabled.

Default value: enabled.

Sets the laser on/off status of theoptical interface board.

Usually the default value isselected.

Opticalinterfacename

No more than 15 bytes It can be set as what the userwants.


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6.A.8 Specifications

Specifications for the JL64 are shown as follows:

Parameters Description

Rate 9953.280 Mbit/s

Line code pattern Scrambled NRZ

Laser class Class 1

Connector LC

Processingcapability

1 x STM-64 signal

Optical interfacetype

I-64.1, S-64.2b, Le-64.2, L-64.2b, V-64.2b, 100G EA

Size (mm) 322.25 mm (H) x 218.5 mm (D) x 2.5 mm (W)

Width of front panel 30.48 mm

Silkscreen print JL64

Power consumption(W)

About 41 W

Weight (kg) 1

Slots available 1. When the subrack cross-connect capacity is configured as720 G, all the 40 IU slots in the subrack are available for theJL64.

2. When the subrack cross-connect capacity is configured as400 G, slots IU3IU14 and IU19IU30 on the front of thesubrack are available for the JL64.

Indices stipulated in the ITU-T Recommendations for the JL64 board are shown inTable 1.1

Table 1.1 Relevant ITU-T specifications for the optical interface

Opticalmoduletype

Launched power(dBm)

Receiversensitivity(dBm)

Overloadpoint (dBm)

I-64.1 6 to 1 < 14 > 1

S-64.2b 1 to +2 < 14 > 1

Le-64.2 +1 to +4 < 19.5 > 9

L-64.2b +13 to +15 < 26 > 3

V-64.2b +13 to +15 < 27 > 9

100 G EA 3 to 1 < 14 > 1


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6.3 STM-16 Optical Interface Board JO16/JQ16/JD16/JL16

The 8 x STM-16 optical interface board is abbreviated to JO16 hereinafter.

The 4 x STM-16 optical interface board is abbreviated to JQ16 hereinafter.

The 2 x STM-16 optical interface board is abbreviated to JD16 hereinafter.

The 1 x STM-16 optical interface board is abbreviated to JL16 hereinafter.

The JQ16/JD16/JL16 is basically the same as the JO16 in principle, but in terms offunctions, they are different in channel number of the SDH optical signalsaccessed. For the detailed differences in specifications, refer to the respectivesections of specifications. The following description takes the JO16 as anexample.

Table 1.2 Comparison among the JO16, JQ16, JD16 and JL16.

Items JO16 JQ16 JD16 JL16

Processingcapability 8 STM-16 4 STM-16 2 STM-16 1 STM-16

Frontpanel

8 pairs of opticalinterfaces



1 pair of opticalinterfaces


8 x STM-16optical signals



1 x STM-16 opticalsignal

Maximumaccesscapacity

20G 10G 5G 2.5G

Opticalinterface

type

I-16, S-16.1, L-16.1 and L-16.2

I-16, S-16.1, L-16.1 and L-16.2

I-16, S-16.1, L-16.1, L-16.2, V-

16.2, Le-16.2 andU-16.2

I-16, S-16.1, L-16.1 andL-16.2


1. Functions

The JO16 integrates the transmission and receiving of eight channels of 2.5

Gbit/s optical signals and performs functions such as SOH processing of eightchannels of STM-16, higher order POH monitoring and pointer justification.


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The maximum accessing capacity of a single JO16 is 20 G.

The maximum accessing capacity of a single JQ16 is 10 G.

The maximum accessing capacity of a single JD16 is 5 G.

The maximum accessing capacity of a single JL16 is 2.5 G.

The JO16/JQ16/JD16/JL16 supports concatenated services in the modes of

VC-4-4c and VC-4-16c.

The JO16/JQ16/JD16/JL16 supports mutual exclusion among inloop, outloop,

non-loopback and loopback. Non-loopback is set as the default. It supportsloopback at the optical interface. Also, it can provide loopback alarm, cancel theloopback periodically, and insert AIS at loopback.

The output wavelength of the optical interface of the JO16 is in line with the

ITU-T Recommendation G.692, with the optical interface type compliant with theITU-T Recommendation G.957.

The JO16 provides optical interface types of I-16, S-16.1, L-16.1 and L-16.2.

The optical interface module supports hot swapping.

The JQ16 provides optical interface types of I-16, S-16.1, L-16.1 and L-16.2.


The JD16 provides optical interface types of I-16, S-16.1, L-16.1, L-16.2, V-

16.2, Le-16.2 and U-16.2.

The JL16 provides optical interface types of I-16, S-16.1, L-16.1 and L-16.2.

Supports power monitoring, environment temperature monitoring and power-

on/off controlling through the MBUS.

Items, such as communication with the JSCC, collecting and reporting thealarm and performance events, interpreting and processing the configurationcommands sent by the NM through host, are implemented by the communicationchannel. Through this channel, the inter-board overhead pass-through can also berealized in the event of JSCC not-in-position.

2. Principles

The JO16 is an interface board for 8 x STM-16 optical signals. It performs O/E andE/O conversion, multiplexing/demultiplexing, overhead processing and pointerjustification on the 8 x STM-64 SDH signals, and interchanges data between theactive and standby boards through the high-speed bus.

Figure 2.1 shows a principle block diagram of the JO16.


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Figure 2.1 Principle block diagram of the JO16

Note:Each STM-16 optical signal in Figure 2.1 has its corresponding optical transceivermodule, O/E and E/O conversion unit and overhead processing unit. Same inprinciples, they are not presented respectively.

O/E conversion moduleIt performs O/E conversion and multiplexing/demultiplexing on the signal, andextracts the line clock.


In receiving direction, it performs framing, descrambling, overhead extraction,alarming, and processing of part of the overheads within itself. Such informationcan be obtained by reading the status register inside the chip.



It processes the system clock and provides the SDH processing unit with working

clock.

Slave MBUS module

The MBUS unit is an MBUS-based maintenance and environment monitoringmodule. The slave MBUS module communicates with the master MBUS modulethrough the MBUS. The MBUS monitors the board temperature and voltage, andcontrols the board power-on/off.

Communication and control module

It controls the SDH processing unit, configures the services and communicateswith the JSCC. The communication between respective boards can also berealized through the JCOM, and the information transmission between boards

requires no transfer of the JSCC.


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In the receiving direction, it converts the overhead bytes output by the SDH signalprocessing unit and then transmits them to the JSCC.

In the transmitting direction, it receives and converts the overhead bytes from theJSCC, and then transmits them to the SDH signal processing unit and inserts

them into the SDH SOH to be transmitted.


Relationship with the JSCC

The JSCC sends configuration command and MS switching command to theJO16, and collects information such as alarm performance reported from theJO16.

The JO16 sends the overhead it receives to the JSCC for processing. Meanwhile,it receives the transmission overhead from the JSCC and sends it out through theoptical fiber.

Relationship with the cross-connect unit

The JO16 transmits/receives service data from the GXCH/EXCH and receives thein-position signal and status signal of the cross-connect board.


The JO16 communicates with other boards through the JCOM.

Relationship with the JSTG

The JO16 transmits clock signal to the JSTG for selection. It also receives thesystem clock provided by the JSTG, and receives signals indicating whether theJSTG is in-position.


Through the MBUS control module, functions such as controlling power-on/off,enabling/disabling power protection, monitoring power voltage and boardenvironmental temperature, and so on, can be implemented. Then, the collectedmonitoring information is sent to the EMPU for processing through the MBUS.With its power fed by the EMPU and JPBU through backplane, the function of theMBUS is independent of the boards, thus ensuring its operation not influenced byboard power failure.

6.A.2 Front Panel



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RUN

ALM.JO16

IN1

OUT1

IN2

OUT2

IN3

OUT3

IN4

OUT4

IN5

OUT5

IN6

OUT6

IN7

OUT7

IN8

OUT8



parameters

Common alarms


The alarm indicator isnormally on, while therunning indicator isnormally off.

Self-testerror

Normally on

Flash three times everyother second.

Criticalalarmoccurs.

On for 0.3 s andoff for 0.3 s forthree times,then off for 1 s.

R_LOS and R_LOF.

Flash twice every othersecond.

Majoralarmoccurs.

On for 0.3 s andoff for 0.3 stwice, then offfor 1 s.

MS_AIS, AU_AIS andAU_LOP.

Flash once every othersecond.

Minoralarmoccurs.

On for 0.3 s andoff for 0.3 sonce, then offfor 1 s.

MS_RDI, HP_TIM andHP_SLM.



Flash once every

two seconds.

The board is operating

normally (in-service).

On for 1 second and off for 1

second.


The board is notoperating normally (notin-service).

On for 0.1 second and off for0.1 second.


Database protectionmode; Thecommunication betweenthe board and the JSCCis interrupted.

On for 2 seconds and off for 2seconds.


LC

Size of front panel

322.25 mm (H) x 30.48 mm (W)


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Note:The difference between the JQ16/JD16/JL16 and JO16 lies in their board namesand number of optical interfaces.

6.A.3 Interface

The optical interface connector of the JO16/JQ16/JD16/JL16 is of LC type. Referto the interface description of the JL64 for details.

6.A.4 Parameter Configuration



Meaning

J0 to betransmitted



Sets the RS trace byte J0 tobe transmitted.

Usually the default value isselected. The settings shouldbe the same for theinterconnected equipments.

J0 to bereceived



Sets the RS trace byte J0 tobe received.

Usually the default value isselected. The settings shouldbe the same for the

interconnected equipments.

J0 received No more than 15 bytes Shows the actually receivedRS trace byte J0.

In normal conditions, itshould be the same as the J0value to be received.

J1 to betransmitted



Sets the higher order pathtrace byte J1 to betransmitted.

Usually the default value isselected. The settings should

be the same for theinterconnected equipments.

J1 to bereceived



Sets the higher order pathtrace byte J1 to be received.



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Meaning

C2 to betransmitted

Path unloaded signal, pathloaded non-specific payload,

TUG structure, locked TU,asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal intoC-4, ATM, MAN (DQDB),FDDI, test signal or VC-AIS.


Sets the signal label byte C2to be transmitted.

It should be set as the actualservice type required.

C2 to bereceived

Path unloaded signal, pathloaded non-specific payload,TUG structure, locked TU,

asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal intoC-4, ATM, MAN (DQDB),FDDI, test signal or VC-AIS.


Sets the signal label byte C2to be received.

It should be set as the actual

service type required.



Sets the laser on/off status ofthe optical interface board.

Usually the default value isselected.




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Specifications for JO16/JQ16/JD16/JL16 are shown as follows


JO16 JQ16 JD16 JL16

Rate 2488.320 Mbit/s


Laser class Class 1

Connector LC



Silkscreen print JO16 JQ16 JD16 JL16

Weight (kg) 1.2 kg 1 kg 1 kg 1 kg

Power consumption (W) 50 W 32 W 35 W 23 W

Slots available When the subrack cross-connect capacity isconfigured as 720 G, all 32IU slots on the front of thesubrack are available forthe JO16, for example,IU1IU32.

When the subrack cross-connect capacity isconfigured as 400 G, themiddle 8 IU slots on thefront of the subrack areavailable for the JO16, forexample, IU7IU10 andIU23IU26.

When the subrackcross-connect capacityis configured as 720G, all the 40 IU slots ofthe subrack areavailable for the JQ16.

When the subrackcross-connect capacityis configured as 400G, the slots IU3IU14and IU19IU30 on thefront of the subrackare available for theJQ16.

All IU slotsof thesubrack.

All IUslots ofthesubrack.

Note: The boards JO16/JQ16/JD16/JL16 with different signal transmission distances have

different power consumptions. Those listed in the above table are their maximum power

consumption values.

Indices stipulated in the ITU-T Recommendations for the JO16/JQ16/JD16/JL16board are shown in Table 1.1

Table 1.1 Relevant ITU-T specifications for the optical interface

Optical moduletype

Launchedpower

Receiversensitivity

Overloadpoint

I-16 3 to 10 < 18 > 3

S-16.1 5 to 0 < 18 > 0

L-16.1 2 to +3 < 27 > 9

L-16.2 2 to +3 < 28 > 9

Le-16.2 +5 to +7 < 28 > 9


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Optical moduletype

Launchedpower

Receiversensitivity

Overloadpoint

V-16.2 +13 to +15 < 28 > 9U-16.2 +15 to +18 < 34 > 18

6.4 STM-4/STM-1 Optical Interface Board JH41/JLQ4/JLH1

The 16 x STM-4/STM-1 optical interface board is abbreviated to JH41 hereinafter.

The 16 x STM-1 optical interface board is abbreviated to JLH1 hereinafter.

The 4 x STM-4 optical interface board is abbreviated to JLQ4 hereinafter.

The JLQ4/JLH1 is basically the same as the JH41 in functions and principles,except that the latter supports hybrid access of different channels of STM-1/STM-4SDH optical signals. Refer to the respective sections of specifications for theirspecific differences. The JH41 is taken as an example in the followingdescriptions.

Table 1.2 Comparison between the JH41, JLQ4 and JLH1

Items JH41 JLQ4 JLH1


16 x STM-1, 16 xSTM-4 or mixture ofmultiple STM-1s andSTM-4s.

4 x STM-4 16 x STM-1

Front panel 16 pairs of optical

interfaces

4 pairs of optical

interfaces

16 pairs of optical

interfaces


Mixture of 16 x STM-4/STM-1 opticalsignals.

4 x STM-4 opticalsignals

16 x STM-1 opticalsignals

Maximumaccesscapacity

10 G 2.5 G 2.5 G

Opticalinterfacetype

S-4.1 and S-1.1 S-4.1 S-1.1


1. Functions

The JH41 integrates the transmission and receiving of 16 channels of 622

M/155 M optical signals and performs functions such as SOH processing of 16channels of STM-4s or STM-1s, POH monitoring and pointer justification. It alsosupports the ALS function.

The maximum access capacity of a single JH41 is 10 G (16 x STM-4 signals).

The maximum access capacity of a single JLQ4 is 2.5 G.

The maximum access capacity of a single JLH1 is 2.5 G.


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The STM-4 optical interface of the JH41/JLQ4/JLH1 supports concatenated

services in VC-4-4c mode.

The JH41/JLQ4/JLH1 supports mutual exclusion among inloop, outloop, non-

loopback and loopback. Non-loopback is set as the default. It also supports

loopback at all optical interfaces, and can provide loopback alarm, cancel theloopback periodically, and insert AIS at loopback.

The output wavelength of the optical interface of the JH41 is in line with the

ITU-T Recommendation G.692, with the optical interface type being compliant withthe ITU-T Recommendation G.957.

The JH41 provides optical interfaces of S-4.1 and S-1.1 types, which can be

configured freely as the actual service required. The optical interface modulessupport hot swapping.

The JLQ4 provides optical interfaces of S-4.1 types. The optical interface

module supports hot swapping.

The JLH1 provides optical interfaces of S-1.1 types. The optical interfacemodule supports hot swapping.



Functions such as communication with the JSCC, collecting and reporting the

alarm and performance events, interpreting and processing the configurationcommands sent by the NM through host, are implemented by the communicationchannel. Through this channel, the inter-board overhead pass-through can also berealized in the event of JSCC not-in-position.

2. Principles

The JH41 is an interface board for 16 x STM-4/STM-1 optical signals. It performsO/E and E/O conversion, multiplexing/demultiplexing, overhead processing andpointer justification on the mixture of 16 x STM-4/STM-1 SDH signals, andinterchanges data between the active and standby boards through the high-speedbus.

Figure 2.1 shows a principle block diagram of the JH41.


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POH

processing

SOH

termination

Frame

synchronization

/descrambling

SOH POH

insertion

O/EMultiplexing

/

DemultiplexingScrambling

16 x STM-4/STM-1

optical signals


Logical

control bus

Active/Standby

cross-connect

board

Inter-board

communication

Address busData bus

Slave MBUS

module

EMPUMBUS

E/O


16 x STM-4/STM-1

optical signals

Clock

processing

module

Communication bus

Active/Standby

cross-connect

board


Figure 2.1 Principle block diagram of the JH41

Note:Each STM-4/STM-1 optical signal in Figure 2.1 has its corresponding opticaltransceiver module, O/E and E/O conversion unit and overhead processing unit.Same in principles, they are not presented respectively.

O/E conversion moduleIt is responsible for O/E conversion of the signal.


In receiving direction, it performs framing, descrambling, overhead and line clockextraction, alarming and processing of part of the overheads within itself. Suchinformation can be obtained by reading the status register inside the chip.



It processes the system clock and provides the SDH processing unit with workingclock.

Slave MBUS module


Communication & control module

It controls the SDH processing module, configures the services and communicateswith the JSCC. The communication between respective boards can also berealized through the JCOM, and the information transmission between boardsrequires no transfer of the JSCC board.


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Relationship with the JSCC board

The JSCC sends configuration command and MS switching command to theJH41, and collects information such as alarm performance reported from theJH41.

The JH41 sends the overhead to JSCC board. Meanwhile, it receives thetransmission overhead from the JSCC and sends it out through the optical fiber.


The JH41 transmits/receives service data from the GXCH/EXCH and receives thein-position signal and status signal of the cross-connect board.


The JH41 communicates with other boards through the JCOM.


The JH41 transmits clock signal to the JSTG for selection. It also receives thesystem clock provided by the JSTG, and receives signals indicating whether theJSTG is in-position.


Through the MBUS control module, functions of the EMPU such as controlling theJH41 power-on/off, enabling/disabling power protection, monitoring power voltageand board environmental temperature, and so on, can be implemented. Then, thecollected monitoring information is sent to the EMPU for processing via the MBUS.With its power fed by the EMPU and JPBU via backplane, the function of theMBUS is independent of the boards, thus ensuring its operation not influenced byboard power failure.

6.A.2 Front Panel

Appearance and components of the front panel are shown in the following table.


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RUN

ALM

.JH41

I1

O1

I2

O2

I3

O3

I5

O5

I4

O4

I6

O6

I7

O7

I8

O8

I9

O9

I10

O10

I11

O11

I12

O12

I13

O13

I14

O14

I15

O15

I16

O16



parameters

Common

alarmsNormally off No alarms Normally off

The alarmindicator isnormally on,while therunningindicator isnormally off.


Flash threetimes every

other second.


On for 0.3 s andoff for 0.3 s for

three times, thenoff for 1 s.

R_LOS and R_LOF.

Flash twiceevery othersecond.

Major alarmoccurs.


MS_AIS, AU_AISand AU_LOP.

Flash onceevery othersecond.

Minor alarmoccurs.


MS_RDI, HP_TIMand HP_SLM.


Status Meaning Flashing parametersFlash once everytwo seconds.


On for 1 second and off for 1second.





Database protectionmode; The communicationbetween the board and theJSCC is interrupted.



LCSize of front panel

322.25 mm (H) x 30.48 mm (W)


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6.A.3 Interface

The JH41 adopts the LC optical interface connector and direct fiber out-leadingmode. Refer to the interface description part of the JL64 for details.

6.A.4 Parameter configuration



Meaning

J0 to betransmitted





J0 to bereceived







J1 to betransmitted



Sets the higher order pathtrace byte J1 to betransmitted.


J1 to bereceived



Sets the higher order pathtrace byte J1 to be received.

Usually the default value isselected. The settings should

be the same for theinterconnected equipments.

C2 to betransmitted

Path unloaded signal, pathloaded non-specific payload,TUG structure, locked TU,asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal intoC-4, ATM, MAN (DQDB),FDDI, test signal or VC-AIS.


Sets the signal label byte C2to be transmitted.



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Meaning

C2 to bereceived

Path unloaded signal, pathloaded non-specific payload,

TUG structure, locked TU,asynchronous mapping ofthe 34.368 Mbit/s and 44.736Mbit/s signals into C-3,asynchronous mapping ofthe 139.264 Mbit/s signal intoC-4, ATM, MAN (DQDB),FDDI, test signal or VC-AIS.


Sets the signal label byte C2to be received.




Sets the laser on/off status ofthe optical interface board.

Usually the default value is

selected.




Specifications for JLQ4/JH41/JLH1 are shown as follows


JLQ4 JH41 JLH1

Rate 155.520 Mbit/s or 622.080 Mbit/s


Laser class Class 1

Connector LC



Silkscreen print JLQ4 JH41 JLH1

Weight (kg) 1 kg 1 kg 1 kg

Power consumption (W) 61 W 48 W 60 W

Slots available When the subrack cross-connect capacity is configuredas 720 G, all the 40 IU slots ofthe subrack are available for theJH41.

When the subrack cross-connect capacity is configuredas 400 G, the slots IU3IU14and IU19IU30 on the front of

the subrack are available for the

All IU slots. All IU slot.


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JLQ4 JH41 JLH1

JH41.

Note: The boards JH41/JLQ4/JLH1 with different signal transmission distances have

different power consumptions. Those listed in the above table are their maximum

power consumption values.

Indices stipulated in the ITU-T Recommendations for the JLQ4/JH41/JLH1 boardis shown in Table 1.1

Table 1.1 Optical interface specifications

Opticalmoduletype

Launchedpower (dBm)

Receiversensitivity(dBm)

Overload point(dBm)

S-1.1 15 to 8 < 28 > 8

S-4.1 15 to 8 < 28 > 8


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6.5 STM-1 Electrical Interface Board JLHE

The 16 x STM-1 electrical interface board is abbreviated to JLHE hereinafter.


1. Functions

The JLHE integrates the transmission and receiving of 16 channels of STM-1

electrical signals and performs functions such as SOH processing of 16 channelsof STM-1singnal, POH monitoring and pointer justification. It also supports the ALSfunction.

Provides 75 SMB interfaces.

The maximum access capacity of a single JLHE is 2.5 G.

The JLHE supports inloop, outloop, non-loopback and loopback. Non-loopback

is set as the default. It also supports loopback at all electrical interfaces, and canprovide loopback alarm, cancel the loopback periodically, and insert AIS atloopback.



Supports configuration of such bytes as D1, D2D12, E1 and E2 to transparent

transmission or into other unused overhead bytes.

Deals with 4 channels DCC of the 16 x STM-1electrical interfaces.

Supports various protection schemes such as 1+1 or 1:N linear MSP.

Provides abundant alarm and performance events for convenient equipment

management and maintenance. Supports smooth software upgrade and expansion.

Supports hot swapping.

2. Principles

The JLHE is an interface board for 16 x STM-1 electrical signals. It performstransmission and receiving of electrical signal, multiplexing/demultiplexing,overhead processing and pointer justification on the mixture of 16 x STM-1 SDHsignals, and interchanges data between the active and standby boards throughthe high-speed bus.

6.A.1Figure 2.1 shows a principle block diagram of the JLHE.


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CMI/

NRZ


Communication

bus Inter-board

communication

Address busData bus

Active/Standby

cross-connect board

Slave

MBUS

module

EMPU

Maintenance

bus

NRZ/

CMI


Clock

processing

module

16STM-1

elecrical signals

Logical

control

module

Signal converting

module

16STM-1

elecrical signals

Active/Standby

cross-connect board

Figure 2.1 Principle block diagram of the JLHE

Signal converting module

It is responsible for CMI/NRZ and NRZ/CMI conversion of the signal.


In receiving direction, it performs framing, descrambling, overhead and line clockextraction, alarming and processing of part of the overheads within itself. Suchinformation can be obtained by reading the status register inside the chip.

In transmitting direction, it inserts the overhead and implements scrambling. Clock processing module

It processes the system clock and provides the SDH processing unit with workingclock.

Slave MBUS module



It controls the SDH processing module, configures the services and communicateswith the JSCC. The communication between respective boards can also berealized through the JCOM, and the information transmission between boardsrequires no transfer of the JSCC board.



The JSCC sends configuration command to the JLHE, and collects informationsuch as alarm performance reported from the JLHE.

The JLHE sends the overhead to JSCC board. Meanwhile, it receives thetransmission overhead from the JSCC and sends it out through the cables.


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The JLHE transmits/receives service data to/from the GXCH/EXCH and receivesthe in-position signal and status signal of the cross-connect board.


The JLHE communicates with JSCC board through the JCOM.


The JLHE transmits clock signal to the JSTG for selection. It also receives thesystem clock provided by the JSTG, and receives signals indicating whether theJSTG is in-position.


Through the MBUS control module, functions of the EMPU such as controlling theJLHE power-on/off, enabling/disabling power protection, monitoring power voltageand board environmental temperature, and so on, can be implemented. Then, thecollected monitoring information is sent to the EMPU for processing via the MBUS.With its power fed by the EMPU and JPBU via backplane, the function of theMBUS is independent of the boards, thus ensuring its operation not influenced byboard power failure.

6.A.7 Front Panel

Appearance and components of the front panel are shown in the following table.


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.JLHERUNALM

RX1

TX1

RX2

TX2

RX3

TX3

RX4

TX4

RX5

TX5

RX6

TX6

RX7

TX7

RX8

TX8

RX9

RX12

RX10

RX11

RX13

RX14

RX15

TX9

RX16

TX15

TX16

TX11

TX12

TX14

TX13

TX10



parameters

Common

alarmsNormally off No alarms Normally off

The alarmindicator isnormally on,while therunningindicator isnormally off.


Flash threetimes every

other second.


On for 0.3 s andoff for 0.3 s for

three times, thenoff for 1 s.

R_LOS and R_LOF.

Flash twiceevery othersecond.

Major alarmoccurs.


MS_AIS, AU_AISand AU_LOP.

Flash onceevery othersecond.

Minor alarmoccurs.


MS_RDI, HP_TIMand HP_SLM.


Status Meaning Flashing parametersFlash once everytwo seconds.


On for 1 second and off for 1second.





Database protectionmode; The communicationbetween the board and theJSCC is interrupted.


Electrical interface connectorSMB

Size of front panel

322.25 mm (H) x 30.48 mm (W)


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6.A.8 Interface

JLHE provides 75 SMB unbalanced interface, with the maximum transmission

distance reaching 70 m.




Meaning

J0 to betransmitted





J0 to bereceived








Specifications for JLHE are shown as follows


Rate 155.520 Mbit/s

Access capability 16 x STM-1 electrical signals

Line code pattern CMI

Connector SMB

Transmitting signal eyepattern

Compliant with the ITU-T RecommendationG.703



Silkscreen print JLHE

Power consumption (W) About 45 W

Weight (kg) About 1 kg


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Slots available All IU slot.

Note: That listed in the above table is its maximum power consumption value.

6.6 6-Port Gigabit Ethernet Processing Board GE06

The 6-port Gigabit Ethernet process board is abbreviated to GE06 hereinafter.


1. Functions

Accesses six channels of Gigabit Ethernet signals.

Supports transmission mode of 1000BASE-LX/1000BASE-SX.

Supports point-to-point Ethernet transparent transmission of the GE-to-GE

services. Controls the data flow.

Supports PPP, LAPS (X.85 or X.86) and GFP-F framing protocol.

Supports virtual concatenation and cross-connect at VC-4 level.

Maps/demaps the SDH signal.

Supports virtual concatenation and adjacent concatenation. Specifically, each

GE path corresponds to virtual concatenation in VC-4-Xv mode (where X is 1through 8 optional), or the adjacent concatenation in VC-4-Xv mode (where X is 1and 4 optional).

IEEE802.1p/IEEE802.q-supporting port feature. Supports the IEEE802.3X protocol, with adjustable transmission distance

supported by the flow control performance. At present, the optical moduleemployed has a transmission distance of 550 m or 10 km.


2. Principles

The GE06 performs O/E conversion and mapping on the six channels of GigabitEthernet optical signals, and processes the Ethernet frames and overhead pointer.Through connection of the active and standby cross-connect boards throughbackplane, data exchange can be implemented and thus service grooming can be

realized consequently.Figure 2.1 shows a principle block diagram of the GE06.


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Optical

transceiver

module6 Gigabit Ethernet

optical signals

communication &

Control moduleInter-board

communication

Active/standby cross-

connect board

Slave MBUS

module

EMPUMBUS


Clock

processing

module

6 Gigabit Ethernet

optical signals

Communication bus

Data processing and mapping module

Data bus

Active/standby cross-connect board

Data bus

Figure 2.1 Principle block diagram of the GE06

Optical transceiver module

It performs O/E and E/O conversion on the Ethernet interface signal. The GE06uses the LC optical connector, which is located at the front panel of the opticalinterface unit.

Data processing and mapping module

It includes physical layer (PHY), medium access control layer (MAC) and mappingprocessing part.

In receiving direction, the PHY implements data recovery, clock extraction,

serial/parallel conversion and decoding on the Ethernet input signal. In thetransmitting direction, it performs signal parallel/serial conversions.

Being compliant with IEEE 802.3, the GMAC judges and counts the Ethernet dataand performs flow control on it. It will discard the error packets passing by andreports the error information to the JSCC board.

The mapping processing part maps/demaps the SDH signals, processes thevirtual concatenation at VC-4 level, and performs HDLC, LAPS and GFP- Fencapsulation/de-encapsulation of the data.

Slave MBUS module

The MBUS unit is an MBUS-based maintenance and environment monitoringmodule. The slave MBUS module communicates with the master MBUS moduleon the EMPU through the MBUS. The MBUS monitors the board temperature andvoltage, and controls the board power-on/off.



The JSCC sends configuration command to the GE06, and collects informationsuch as alarm performance reported from the GE06.

Relationship with the cross-connect unit

The GE06 transmits/receives service data from the GXCH/EXCH and receives thein-position signal and status signal of the cross-connect board.



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The GE06 communicates with other boards through the JCOM.


The GE06 receives the system clock and frame header signal from the JSTG.

Relationship with the EMPUThrough the MBUS control module, functions of the EMPU such as controlling theGE06 power-on/off, enabling/disabling power protection, monitoring the powervoltage and board environmental temperature, and so on, can be implemented.Then, the collected monitoring information is sent to the EMPU for processing viathe MBUS. With its power fed by the EMPU and JPBU via backplane, the functionof the MBUS is independent of the boards, thus ensuring its operation notinfluenced by board power failure.

6.A.12 Front Panel



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RUN

ALM.GE06

I1

O1

I2

O2

I3

O3

I5

O5

I4

O4

I6

O6


Status Meanin

g

Flashing

parameters

Common alarms


The alarmindicator isnormally on, whilethe runningindicator isnormally off.

Self-testerror

Normally on

Flash three timesevery othersecond.

Criticalalarmoccurs.

On for 0.3 s andoff for 0.3 s forthree times, then

off for 1 s.

R_LOS andLINK_ERR.

Flash twice everyother second.

Majoralarmoccurs.


AU_AIS, AU_LOP andAU_CMM

Flash once everyother second.

Minoralarmoccurs.


HP_TIM and HP_SLM



Flash onceevery twoseconds.


On for 1 second and offfor 1 second.



On for 0.1 second and offfor 0.1 second.

Flash onceevery fourseconds.

Database protection mode;The communication betweenthe board and the JSCC isinterrupted.

On for 2 seconds and offfor 2 seconds.

Optical interface connectorLC

Size of front panel

322.25 mm (H) x 30.48 mm (W)


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6.A.13 Interface

The GE06 employs the LC optical interface connector. Refer to the interfacedescription part of the JL64 for details.



Domain Description

Time interval of adjacentpackets (8 ns)

Time interval of the two adjacent packetstransmitted.

Max. packet length Maximum length of the packet.

Dead time after flowcontrol packettransmission (512 ns)

Dead time after the flow control packet istransmitted.

Auto-negotiationenabling

Range: disabled/enabled. Default value: enabled.

Counter of correctpackets in receivingdirection

Number of correct packets received.

Counter of error packetsin receiving direction

Number of error packets received.

Counter of all packets inreceiving direction

Number of all packets received.

Optical interfaceloopback Sets whether to loop back the optical interface.Range: inloop, outloop and non-loopback. Defaultvalue: non-loopback.

Data encapsulationprotocal

Refers to the data encapsulation protocol of theport.

Laser switch Controls the laser switch.

Range: enabled/disabled. Default value: enabled.

Flow control Controls the flow.


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Transmission rate 1000 Mbit/s

Size 322.25 mm (H) x 218.5 mm (D) x 2.5 mm (W)

Weight (kg) 1.9 kg

Power consumption(W)

70 W

Width of front panel(mm)

30.48 mm


Six channels of GE signals.

Laser class Class 1

Interface Type LC

Slots available When the subrack cross-connect capacity isconfigured as 720 G, all the 40 IU slots of the subrackare available for the GE06.

When the subrack cross-connect capacity isconfigured as 400 G, the slots IU3IU14 and IU19IU30 on the front of the subrack are available for theGE06.


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6.7 General High Order Cross-Connect Board GXCH

The General high order cross-connect board is abbreviated to GXCH hereinafter.

Note:Two cross-connect boards of the same type are recommended for the 1+1 hotbackup for the sake of protection, for example, you can use either two GXCHs ortwo EXCHs, but no hybrid configuration is allowed.


1. Functions

A single board supports a cross-connect capacity of 200 G, and a single

subrack, 400 G. It implements flexible service grooming at VC-4 granularity, including loopback,

cross-connect, multicast and broadcast.

It supports the 1+1 protection at board level, with the active and standby boards

backing up each other. In the event that the active board goes faulty, the servicecan be reliably switched over to the standby board automatically. The slots 41 and42 provide hot backup for each other, so do the slots 43 and 44.

Note:The cross-connect board hot backup is of binding protection scheme, for example,when switching occurs, the cross-connect boards in both the upper and lower

frames will perform switches simultaneously.

When services are configured to/deleted from the GXCH as response to the

service configuration send by the JSCC, it will bring no negative effect to theoriginal services configured.

Through the communication bus, the GXCH implements the configuration sent

by the JSCC and sends the signal indicating completion of sending of theconfiguration from the JSCC back to the relevant boards. It also reportsinformation such as performance, status and alarm of itself to the JSCC.

It provides perfect performance and alarm reporting, very convenient inmaintenance.

2. Principles

The GXCH is chiefly responsible for the higher order service grooming andprotection. It implements unblocked cross-connection of the 1280 x 1280 VC-4services, which are equivalent to a cross-connect capacity of 200 G x 200 G. Thecross-connect capacity of a single subrack is 400 G, fulfilled by the cross-connectboards on both the upper and lower frames, who possess a cross-connectcapacity of 200 G respectively. The principle block diagram of the GXCH is shownbelow.


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communication &

Control board

Communication busInter-board

communication

Slave

MBUS

module EMPUMBUS


Clock

processing

module

cross-connect matrix

(1280 x 1280 VC-4 )

System clock

Frame header signal

Data bus

Service board

JSTG

Data bus

Figure 2.1 Principle block diagram of the GXCH

Cross-connect matrix

It implements unblocked cross-connection of multicast and broadcast services andfull cross-connection of the 1280 1280 VC-4 services. Functions such asbroadcast, multicast and loopback to the services can be performed through thisunit. The cross-connect matrix unit connects with the service bus of the opticalinterface board through backplane.


It provides system clock and frame header signal from the active and standbyclock boards for the cross-connect unit.

Communication & Control module

It provides the communication channel and control signals.

Slave MBUS module

The MBUS unit is an MBUS-based maintenance and environment monitoringmodule. The slave MBUS module communicates with the master MBUS modulethrough the MBUS. The MBUS functions monitoring of the board temperature andvoltage.



It reports the performance and alarm data of itself to the JSCC and receives thecontrol command and parameter configuration from the JSCC.

Relationship with the optical interface board

It receives the service signal from the optical interface board and then sends it tothe optical interface board after cross-connection

06-Chapter 6 Boards.doc

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