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Transcript of AR_28 Series Installation Manual
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Huawei Technologies Proprietary
HUAWEI
Quidway AR 28 Series Routers
Installation Manual
8/16/2019 AR_28 Series Installation Manual
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Huawei Technologies Proprietary
Quidway AR 28 Series Routers
Installation Manual
Manual Version T2-080431-20051205-C-3.03
BOM 3104A031
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support
and service. If you purchase the products from the sales agent of Huawei Technologies Co.,
Ltd., please contact our sales agent. If you purchase the products from Huawei
Technologies Co., Ltd. directly, Please feel free to contact our local office, customer care
center or company headquarters.
Huawei Techn olo gies Co., Ltd.
Address: Administration Building, Huawei Technologies Co., Ltd.,
Bantian, Longgang District, Shenzhen, P. R. China
Postal Code: 518129
Website: http://www.huawei.com
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Copyright © 2005 Huawei Technologies Co., Ltd.
Al l Rights Reserved
No part of this manual may be reproduced or transmitted in any form or by any
means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks
, HUAWEI, C&C08, EAST8000, HONET, , ViewPoint, INtess, ETS, DMC,
TELLIN, InfoLink, Netkey, Quidway, SYNLOCK, Radium, M900/M1800,
TELESIGHT, Quidview, Musa, Airbridge, Tellwin, Inmedia, VRP, DOPRA,
iTELLIN, HUAWEI OptiX, C&C08 iNET, NETENGINE, OptiX, iSite, U-SYS, iMUSE,
OpenEye, Lansway, SmartAX, infoX, and TopEng are trademarks of Huawei
Technologies Co., Ltd.
All other trademarks and trade names mentioned in this manual are the property of
their respective holders.
Notice
The information in this manual is subject to change without notice. Every effort has
been made in the preparation of this manual to ensure accuracy of the contents,
but all statements, information, and recommendations in this manual do not
constitute the warranty of any kind, express or implied.
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About This Manual
Release Notes
This manual is for Quidway AR 28 Series Routers.
Related Manuals
The related manuals are listed in the following table.
Manual Content
VRP3.4 Operation Manual
The manual is a guide for the users to useVRP3.3 to perform the operations correctly. It isorganized into the parts of overview, systemmanagement, interface, link layer protocol,network protocol, routing protocol, multicast,security, VPN, reliability, QoS and dial-up.. Inaddition, it provides a list of the abbreviationsand acronyms used in the manual.
VRP3.4 Command Manual
The manual gives you a detailed description ofthe operating commands in VRP3.3. It is
organized into the parts of overview, systemmanagement, interface, link layer protocol,network protocol, routing protocol, multicast,security, VPN, reliability, QoS, and dial-up. Inaddition, it provides you with a general commandindex for the whole manual.
Low-End and Mid-Range SeriesRouters Interface Card andInterface Module Manual
The manual introduces the pinouts of all the SICsand MIMs that can be installed on Low-End andMid-Range Series Routers.
Low-End and Mid-Range Series
Routers Cable Manual
The manual introduces the pinouts of the cablesinvolved in low-end and mid-range routers. You
can use this manual along with the relatedinstallation manual.
Organization
There are seven chapters in the manual.
Chapter 1 Overview introduces the models of Quidway AR 28 series Routers and
the supported modular interfaces, as well as the features and applications of the
routers.
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Chapter 2 System Specifications describes the appearance and system features of
Quidway AR 28 series routers.
Chapter 3 Installation Preparation describes the requirements on installation site,
the safety recommendations before and during installation, and the required tools.
Chapter 4 Installation of the Router covers the procedure for installing Quidway AR
28 Series Routers to a specified location, power connection, AUX cable connection
and Console cable connection.
Chapter 5 Startup and Configuration of the Router helps you get familiar with the
basic knowledge of how to boot and configure a Quidway AR 28 Series Routers,
including startup of router, power-on, initialization of system files, etc.
Chapter 6 Router Maintenance introduces how to maintain the software and
hardware of Quidway AR 28 Series Routers, from the aspects of upgrading software,loading configuration files, replacing Boot ROM and SDRAM, etc.
Chapter 7 Troubleshooting describes some problems that may arise and their
recommended solutions.
Intended Audience
The manual is intended for the following readers:
Network engineers Network administrators
Customers who are familiar with network fundamentals
Conventions
The manual uses the following conventions:
I. General conventions
Convention Description
Arial Normal paragraphs are in Arial.
Boldface Headings are in Boldface.
Cour i er New Terminal Display is in Cour i er New.
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II. GUI conventions
Convention Description
< >
Button names are inside angle brackets. For example, click
the <OK> button.
[ ]Window names, menu items, data table and field namesare inside square brackets. For example, pop up the [NewUser] window.
/Multi-level menus are separated by forward slashes. Forexample, [File/Create/Folder].
III. Keyboard operation
Format Description
<Key>Press the key with the key name inside angle brackets. Forexample, <Enter>, <Tab>, <Backspace>, or <A>.
<Key1+Key2>Press the keys concurrently. For example, <Ctrl+Alt+A>means the three keys should be pressed concurrently.
<Key1, Key2>Press the keys in turn. For example, <Alt, A> means thetwo keys should be pressed in turn.
IV. Symbols
Eye-catching symbols are also used in the manual to highlight the points worthy of
special attention during the operation. They are defined as follows:
Caution, Warning, Danger: Means reader be extremely careful during the
operation.
Note, Comment, Tip , Knowhow, Thought: Means a complementary
description.
Environmental Protection
This product has been designed to comply with the requirements on environmental
protection. For the proper storage, use and disposal of this product, national laws and
regulations must be observed.
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Quidway AR 28 Series Routers Installation Manual Table of Contents
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i
Table of Contents
Chapter 1 Overview.......................................................................................................................1-1
1.1 Brief Introduction................................................................................................................1-1
1.2 Slots ...................................................................................................................................1-3
1.3 MIM and SIC......................................................................................................................1-4
1.3.1 MIM .........................................................................................................................1-4
1.3.2 SIC ..........................................................................................................................1-7
Chapter 2 System Specifications.................................................................................................2-1
2.1 AR 28-09............................................................................................................................2-1
2.1.1 Appearance.............................................................................................................2-1
2.1.2 Panel LEDs .............................................................................................................2-1
2.1.3 System Description .................................................................................................2-2
2.2 AR 28-10/28-11..................................................................................................................2-3
2.2.1 Appearance.............................................................................................................2-3
2.2.2 Panel LEDs .............................................................................................................2-5
2.2.3 System Description .................................................................................................2-6
2.3 AR 28-12/28-13/28-14 .......................................................................................................2-7
2.3.1 Appearance.............................................................................................................2-7
2.3.2 Panel LEDs .............................................................................................................2-8
2.3.3 System Description ...............................................................................................2-10
2.4 AR 28-30/28-31................................................................................................................2-11
2.4.1 Appearance...........................................................................................................2-11
2.4.2 Panel LEDs ...........................................................................................................2-12
2.4.3 System Description ...............................................................................................2-13
2.5 AR 28-40..........................................................................................................................2-14
2.5.1 Appearance...........................................................................................................2-14
2.5.2 Panel LEDs ...........................................................................................................2-14
2.5.3 System Description ...............................................................................................2-15
2.6 AR 28-80..........................................................................................................................2-16
2.6.1 Appearance...........................................................................................................2-16
2.6.2 Panel LEDs ...........................................................................................................2-17
2.6.3 System Description ...............................................................................................2-17
2.7 Differences between AR 28 Series Routers.................................................................... 2-18
Chapter 3 Installation Preparation ...............................................................................................3-1
3.1 Requirements on Environment ..........................................................................................3-1
3.1.1 Requirements on Temperature/Humidity................................................................ 3-1
3.1.2 Requirements on Cleanness...................................................................................3-1
3.1.3 Requirements on Electrostatic Discharge Prevention............................................. 3-2
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3.1.4 Requirements on Electromagnetic Environment..................................................... 3-3
3.1.5 Requirements on Preventing Lightning................................................................... 3-3
3.1.6 Requirements on Workbench..................................................................................3-3
3.2 Precautions........................................................................................................................3-4
3.3 Tools, Meter and Devices..................................................................................................3-4
Chapter 4 Installation of the Router ............................................................................................4-1
4.1 Installation Process............................................................................................................4-1
4.2 Installing the Router...........................................................................................................4-2
4.2.1 Installing the Router on a Workbench..................................................................... 4-2
4.2.2 Installing the Router in a Rack ................................................................................4-2
4.3 Installing MIM Modules......................................................................................................4-3
4.4 Connecting the PGND Wire...............................................................................................4-3
4.5 Connecting the power cord................................................................................................4-4
4.5.1 Power input and PGND...........................................................................................4-5
4.5.2 Connecting the AC-Input Power Cord..................................................................... 4-5
4.5.3 Connecting the DC-Input Power Cord .................................................................... 4-6
4.6 Connecting the Console Terminal .....................................................................................4-8
4.7 Connecting the Router to a LAN........................................................................................4-9
4.8 Connecting Router to the WAN .......................................................................................4-11
4.8.1 Connecting the AUX port to the Modem ............................................................... 4-11
4.8.2 Connecting WAN Interface to DSU/CSU .............................................................. 4-12
4.9 Connecting Router to a Voice Device.............................................................................. 4-26
4.10 Checking after Installation .............................................................................................4-26
Chapter 5 Startup and Configuration of the Router................................................................... 5-1
5.1 Startup of the Router .........................................................................................................5-1
5.1.1 Setting up Configuration Environment .................................................................... 5-1
5.1.2 Powering on the Router ..........................................................................................5-4
5.1.3 Startup Process.......................................................................................................5-5
5.2 Configuration Fundamentals of the Router........................................................................ 5-6
5.2.1 Basic Configuration Steps.......................................................................................5-6
5.2.2 Command Line Interface.........................................................................................5-7
Chapter 6 Router Maintenance ....................................................................................................6-1
6.1 Software Maintenance.......................................................................................................6-1
6.1.1 Introduction..............................................................................................................6-1
6.1.2 Software Maintenance under VRP3.X Environment............................................... 6-2
6.2 Hardware Maintenance....................................................................................................6-13
6.2.1 Required Tools......................................................................................................6-13
6.2.2 Opening the Chassis Cover .................................................................................. 6-13
6.2.3 Replacing the SDRAM ..........................................................................................6-15
6.2.4 Closing the Chassis Cover....................................................................................6-19
6.2.5 Replacing the Interface Cards and Modules......................................................... 6-20
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iii
Chapter 7 Troubleshooting ..........................................................................................................7-1
7.1 Troubleshooting the Power System...................................................................................7-1
7.2 Troubleshooting the Console Terminal..............................................................................7-1
7.3 Troubleshooting SDRAM...................................................................................................7-2
7.4 Troubleshooting Application Software Upgrade................................................................ 7-3
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Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview
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1-1
Chapter 1 Overview
1.1 Brief Introduction
Quidway AR 28 Series Routers were independently developed by Huawei
Technologies for use on enterprise-level networks. Depending on the network size,
Quidway AR 28 Series Routers can be either core routers on small and medium
enterprise networks, or access routers for network branches on some large-sized
enterprise networks. Therefore, Quidway AR 28 Series Routers are suitable for the
application on the carrier-level networks, such as telecom management networks and
billing networks.
Quidway AR 28 Series Routers adopt modular design and provide a wide range of
optional MIMs (Multifunctional Interface Modules) and SICs (Smart Interface Cards).
Among all models of the series, the AR 28-10, the AR 28-11, the AR 28-12, the AR
28-13, and the AR 28-14 are available with two types of units: AC-powered and
DC-powered.
Quidway AR 28 Series Routers adopt high speed PowerPC microprocessor and the
VRP (Versatile Routing Platform), a network operation system platform developed by
Huawei Technologies. Besides the benefit of simple configuration, VRP provides rich
network security features, and supports dumb terminal access, SNA (Systems Network
Architecture)/DLSw (Data-Link Switching), IP multicast, and abundant QoS (Quality of
Service) features. Thereby, Quidway AR 28 Series Routers can operate together with
other Quidway series routers and Ethernet switches to provide overall end-to-end
network solutions for clients in industries such as telecommunication, ISP, finance,
taxation, public security, and transportation, medium-and-large-sized enterprises.
Quidway AR 28 Series Routers deliver features of xDSL (Digital Subscriber Line),
MPLS (Multiprotocol Label Switch), NTP (Network Time Protocol). Networked with the
NE Series High-End Routers, the AR 28 series can provide comprehensive solutions
for carriers and large industrial users.
Currently, the AR 28 series include these models:
AR 28-09
AR 28-10/28-11/28-12/28-13/28-14
AR 28-30/28-31
AR 28-40
AR 28-80
Quidway AR 28 Series Routers deliver the following features:
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I. High-performance processor
Quidway AR 28 Series Routers use high-performance processors to process all the
integrated interface data. All performance indicators, such as packet processing
capacity, maximum traffic on interfaces, delay, frame drop rate, restoration period dueto overloading of the system and system reset period, can meet users’ requirements.
II. Multiple interface card/interface module options
Quidway AR 28 Series provides SIC slots and MIM slot, where you can install various
types of SICs and MIMs. The available interfaces include synchronous/asynchronous
serial interface, asynchronous serial interface, T1/CT1/PRI interface, E1/CE1/PRI
interface, BRI S/T and U interfaces, Ethernet interface (including FE/GE, electrical
interface and fiber interface), ADSL/G.SHDSL interface, ATM 25M/155M interface,
E3/T3 interface, and so on. The user can change or extend SICs or MIMs as needed.
Thereby, the investment that has been made can be protected to the maximum degree.
III. Multiple channels of asynchronous serial interface access
Connected to PSTN (Public Switched Telephone Network) via the asynchronous
serial interface, the router can work as a small Internet access server.
With an analog Modem interface card, the router can be directly connected to
PSTN to serve as a small access server.
IV. Ethernet access solution
By extending SICs and MIMs, Quidway AR 28 Series Routers can provide multipleforms of Ethernet interfaces, such as optical/electrical interface, 10/100/1000Mbps
interface. Thereby, the networking capability of the router can be significantly
improved.
V. Voice capabilities
Quidway AR 28 Series Routers are available with a wide range of voice interface
modules, which can provide such interfaces as FXO/FXS/E&M, E1VI, and T1VI. The
FXS/FXO/E&M interface can connect common phone sets, fax machines and private
branch exchanges (PBXs); the CE1/PRI or CT1/PRI interface can connect the E1 or T1
interface of switches, as well as communicating with the gatekeeper (GK). With
high-speed CPU and digital signal processing (DSP) technology, Quidway AR 28
Series Routers can provide voice over IP (VoIP) and voice over frame relay (VoFR) with
high quality voice. They can drive down the cost of long distance communications
between main office and branches in enterprise deployment.
VI. xDSL/MPLS features
xDSL is a simple but highly-efficient broadband technology that achieves large data
transmission capacity over existing copper wiring by using the digital code modulation
technology. The ADSL/ADSL-I/G.SHDSL module for AR 28 Series allows the
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Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview
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1-3
medium-to-small-sized enterprises to access the Internet over DSLAM equipment via
PSTN.
MPLS, a combination of IP and ATM technologies, replaces the traffic identified by IP
header with a short and length-fixed label, based on which a router makes theforwarding decision. It can provide faster forwarding speed, get support from IP routed
protocols, and control protocols, thus satisfying the requirements that various new
applications put on the network. MPLS VPN is a VPN technology that implements the
interconnection of private networks via Label Switched Paths (LSPs). As LSP is a
tunnel across the public network on its own, MPLS has an inherent advantage in terms
of VPN implementation. AR 28 Series Routers usually act as Label Edge Routers
(LERs) to implement service classification, label distribution, encapsulation, and
multi-label peel-off by connecting an MPLS domain to a non-MPLS domain or
connecting MPLS domains of different service providers.
VII. Data security
Supports ID authentication protocols, including PAP (Password Authentication
Protocol), CHAP (Challenge Handshake Authentication Protocol), RADIUS
(Remote Authentication Dial in User Service), TACACS+.
Implements firewall to prevent invasions from external networks.
Supports VPN (Virtual Private Network, including GRE, L2TP) and provides IPSec
(IP Security) and IKE (Internet Key Exchange) technologies. Hence, the security
of the user private network in the Internet environment can be guaranteed.
Provides backup solutions based on the backup center technology.
VIII. Online software upgrade
512 KB Boot ROM and 32 MB Flash memory provide the user with adequate physical
carrier to upgrade the software online, add new features, and extend new functions
according to market demands.
IX. Chassis
Quidway AR 28 Series Routers adopt integrated structure design. They perform
excellently on heat dissipation, EMC (Electromagnetic Compatibility) and safety.
1.2 Slots
The following table shows the numbers of interfaces and slots on Quidway AR 28
Series Routers:
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1-port 100Base-FX Ethernet single-mode fiber interface module (1SFX)
1-port 10Base-T/100Base-TX/1000Base-T Ethernet electrical interface module (1GBE)
2-port 10Base-T/100Base-TX/1000Base-T Ethernet electrical interface module (2GBE)
1-port1000Base-SX/1000Base-LX gigabit Ethernet fiber interface module (1GEF)
2-port 1000Base-SX/1000Base-LX gigabit Ethernet fiber interface module (2GEF)
8-port 10/100 Mbps layer 2 switching interface module (8LS)
16-port 10/100 Mbps layer 2 switching interface module (16LS)
WAN interface modules
2-port multiprotocol synchronous/asynchronous serial interface module (2SA)
4-port synchronous/asynchronous serial interface module (4SA)
2-port enhanced high-speed synchronous/asynchronous serial interface module
(2SAE)
4-port enhanced high-speed synchronous/asynchronous serial interface module
(4SAE)
8-port enhanced high-speed synchronous/asynchronous serial interface module
(8SAE)
8-port asynchronous serial interface module (8AS)
16-port asynchronous serial interface module (16AS)
8-port enhanced asynchronous serial interface module (8ASE)
16-port enhanced asynchronous serial interface module (16ASE)
6-port analog modem interface module (6AM)
12-port analog modem interface module (12AM)
2-port fast connect modem interface module (2FCM)
4-port fast connect modem interface module (4FCM)
6-port analog modem interface module (6AM)
4-port ISDN BRI S/T interface module (4BS)
4-port ISDN BRI S/T interface module (4BSE)1-port channelized E1 interface module (1E1)
2-port channelized E1 interface module (2E1)
4-port channelized E1 interface module (4E1)
8-port channelized E1/PRI interface module (8E1)
1-port fractional E1 interface module (1E1-F)
2-port fractional E1 interface module (2E1-F)
4-port fractional E1 interface module (4E1-F)
8-port fractional E1 interface module (8E1-F)
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1-6
1-port channelized T1 interface module (1T1)
2-port channelized T1 interface module (2T1)
4-port channelized T1 interface module (4T1)
8-port channelized T1/PRI interface module (8T1)
1-port fractional T1 interface module (1T1-F)
2-port fractional T1 interface module (2T1-F)
4-port fractional T1 interface module (4T1-F)
8-port fractional T1 interface module (8T1-F)
1-port channelized E3 interface module (1CE3)
1-port channelized T3 interface module (1CT3)
1-port ATM 25 Mbps interface module (1ATM-25M)
1-port ATM 155 Mbps multi-mode fiber interface module (1ATM-OC3MM)
1-port ATM 155 Mbps single-mode fiber interface module (1ATM-OC3SM)
1-port ATM 155 Mbps single-mode long haul fiber interface module (1ATM-1OC3SML)
1-port ADSL over PSTN interface module (1ADSL)
2-port ADSL over PSTN interface module (2ADSL)
1-port ADSL over ISDN interface module (1ADSL-I)
2-ports ADSL over ISDN interface module (2ADSL-I)
1-port G.SHDSL interface module (1G.SHDSL)
2-port G.SHDSL interface module (2G.SHDSL)
4-port G.SHDSL interface module (4G.SHDSL)
1-port dual-pair G.SHDSL interface module (1SHL-4W)
4-port E1 ATM inverse multiplexing interface module (IMA-4E1)
8-port E1 ATM inverse multiplexing interface module (IMA-8E1)
4-port T1 ATM inverse multiplexing interface module (IMA-4T1)
8-port T1 ATM inverse multiplexing interface module (IMA-8T1)
1-port ATM over E3 interface module (1AE3)
1-port ATM over T3 interface module (1AT3)
1-port channelized SDH/SONET interface module – E1 standard (1CPOS(E))
1 port channelized SDH/SONET interface module – T1 standard (1CPOS(T))
1-port SDH/SONET interface module (1POS)
Voice interface modules
2-port voice subscriber circuit interface module (2FXS)
4-port voice subscriber circuit interface module (4FXS)
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1-8
1-port fractional T1 interface card (SIC-1T1-F)
1-port analog modem interface card (SIC-1AM)
2-port analog modem interface card (SIC-2AM)
Voice interface cards
1-port voice subscriber circuit interface card (SIC-1FXS)
2-port voice subscriber circuit interface card (SIC-2FXS)
1-port voice AT0 analog trunk interface card (SIC-1FXO)
2-port voice AT0 analog trunk interface card (SIC-2FXO)
For details about SICs and MIMs, refer to Low-End and Mid-Range Series Routers
Interface Card and Interface Module Manual.
Note:
The SIC slots on the AR 28-11/28-12/28-13/28-14 do not support the
SIC-1FEA/SIC-1ETH card, but two fixed Ethernet interfaces are available on these
models.
The AR 28-10 supports only one SIC-1FEA/SIC-1ETH card.
Interface cards and modules may be available with multiple versions as the result of
hardware upgrade. To identify the version of a card or module, read the label, for
example, RT-4FXO/RT-4FXO-V2, on the card or module.
An interface card (including the silkscreen on its panel) looks the same before and
after hardware upgrade. Upgraded interface cards are functionally backward
compatible and some can even provide enhancements. To support the upgraded
hardware, you need to upgrade host software.
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Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications
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2-1
Chapter 2 System Specifications
2.1 AR 28-09
2.1.1 Appearance
1) SLOT0 2) SLOT13) SLOT2 4) SERIAL5) ETHERNET 6)SYSTEM7) POWER
Figure 2-1 Front view of Quidway AR 28-09 Router
1) Power switch 2) Power socket
3) Grounding terminal 4) Console port (CON)
5) Auxiliary port (AUX) 6) 10/100 Mbps Ethernet interface (ETHERNET)
7) Synchronous/asynchronous serial interface (SERIAL)
8) SLOT1 (MIM slot) 9)) Fastening screw of the chassis
10) SLOT2 (SIC slot) 11) SLOT3 (SIC slot)
Figure 2-2 Rear view of Quidway AR 28-09 Router
2.1.2 Panel LEDs
Seven LEDs are provided on Quidway AR 28-09 Router. Their meaning is explained in
the following table:
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2-2
Table 2-1 LEDs of the AR 28-09
LED Description
SLOT1
MIM LED.
OFF means no interface module is present or the module hasfailed.
ON means the interface module is functioning normally.
SLOT2
SIC LED.
OFF means no interface card is present or the card has failed.
ON means the interface card is functioning normally.
SLOT3
SIC LED.
OFF means no interface card is present or the card has failed.
ON means the interface card is functioning normally.
SERIAL
Fixed synchronous/asynchronous serial interface LED.
This LED displays data transmission/receiving status on the serialinterface.
OFF means no data is being transmitted or received.
Blinking means data is being transmitted and/or received.
ETHERNET
Fixed Ethernet interface LED.
This LED displays data transmission/receiving status on the fixedEthernet interface.
OFF means no data is being transmitted or received.
Blinking means data is being transmitted and/or received.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system is malfunctioning.
POWERPower LED.
It lights upon power-on of the router.
2.1.3 System Description
Table 2-2 System description of the AR 28-09
Item Description
Fixed interface
1 console port
1 AUX port
1 synchronous/asynchronous serial interface
1 x 10/100 Mbps Ethernet interface
Slot1 MIM slot
2 SIC slots
Processor MPC8241 200 MHz
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Item Description
Boot ROM 512 KB
SDRAM 128 MB
Flash memory 32 MB
Input
Rated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 90 VAC to 264 VAC; 47 Hz to 63 Hz
Input current: 0.5 A to 1 APowersupply(external)
OutputVoltage: 12 VDC
Current: 4 A
Max. power 50 W
Physical dimensions
(H x W x D)
79.4 x 376.2 x 287.9 mm (3.1 x 14.8 x 11.3 in.)
Operating temperature 0°C to 40°C (32°F to 104°F)
Operating humidity(noncondensing)
5% to 90%
Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
2.2 AR 28-10/28-11
2.2.1 Appearance
1) POWER 2) SYSTEM3) SLOT1 4) SLOT25) SLOT3 6) WAN7) LAN
Figure 2-3 Front view of the AR 28-10
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1) POWER 2) SYSTEM3) SLOT1 4) SLOT25) SLOT3 6) WAN7) LAN0 8) LAN1
Figure 2-4 Front view of the AR 28-11
1) Power switch 2) Power socket 3) Grounding screw 4) Fixed interface (WAN)
5) Console port (CON) 6) Auxiliary port (AUX) 7) Fixed Ethernet interface (LAN) 8) MIM slot 19) SIC slot 2 10) SIC slot 3
Figure 2-5 Rear view of the AR 28-10
1) Power switch 2) Power socket 3) Grounding screw 4) Fixed interface (WAN0)5) Console port (CON) 6) Auxiliary port (AUX) 7) Fixed Ethernet port 0(LAN0) 8) Fixed Ethernet port 1 (LAN1) 9) MIM slot 1 10) SIC slot 2
11) SIC slot 3
Figure 2-6 Rear view of the AR 28-11
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2.2.2 Panel LEDs
Eight LEDs are provided on the AR 28-10/28-11. Their meaning is explained in the
following table:
Table 2-3 LEDs of the AR 28-10/28-11
LED Description
POWER Power LED.
OFF means power is off; ON means power is on.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system ismalfunctioning.
SLOT1
MIM LED.
OFF means no interface module is present or the modulehas failed.
ON means the interface module is functioning normally.
SLOT2
SIC LED.
OFF means no interface card is present or the card hasfailed.
ON means the interface card is functioning normally.
SLOT3
SIC LED.
OFF means no interface card is present or the card hasfailed.
ON means the interface card is functioning normally.
WAN
Fixed synchronous/asynchronous serial interface LED.
This LED displays data transmission/receiving status on theserial interface.
OFF means no data is being transmitted or received.
Blinking means data is being transmitted and/or received.
LAN or LAN0
Fixed Ethernet interface 0 LED.
This LED displays data transmission/receiving status on the
fixed Ethernet interface.OFF means no data is being transmitted or received.
Blinking means data is being transmitted and/or received.
LAN1 (not availableon the AR 28-10)
Fixed Ethernet interface 1 LED.
This LED displays data transmission/receiving status on thefixed Ethernet interface.
OFF means no data is being transmitted or received.
Blinking means data is being transmitted and/or received.
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2.2.3 System Description
Table 2-4 System description of the AR 28-10/28-11
Item AR 28-10 AR 28-11
Slot 1 MIM slot
2 SIC slots
Fixed interface
1 x 10/100 Mbps Ethernetinterface
1synchronous/asynchronous serial interface (DB-50)
1 AUX port
1 console port
2 x 10/100 Mbps Ethernetinterfaces
1 synchronous/asynchronousserial interface (DB-50)
1 AUX port
1 console port
Processor MPC8241 200 MHz
Boot ROM 512 KB
SDRAM 128 MB
Flash memory 32 MB
Physical dimensions(H x W x D)
44.4 x 442 x 315 mm (1.7 x 17.4 x 12.4 in.)
Weight 6 kg (13 lb)
ACRated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 264 VAC; 47 Hz to 63 HzInput voltage
DCRated voltage: –48 VDC to –60 VDC
Maximum tolerance: –40 VDC to –75 VDC
Max. power 60 W
Operatingtemperature
0°C to 40°C (32°F to 104°F)
Relative humidity(noncondensing)
5% to 90%
Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
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2.3 AR 28-12/28-13/28-14
2.3.1 Appearance
1) POWER 2) SYSTEM3) SLOT1 4) SLOT25) SLOT3 6) LAN07) LAN1
Figure 2-7 Front view of the AR 28-12/28-13/28-14
(3) (4) (5) (6)(7) (8)(9) (11) (12)
(2)(1)
(10)
3
1) SIC slot 3 2) SIC slot 23) Power switch 4) Power socket5) Grounding screw 6) Fixed interface (WAN0)7) Fixed interface (WAN1) 8) Console port (CON)9) Auxiliary port (AUX) 10) Fixed Ethernet interface (LAN0)11) Fixed Ethernet interface (LAN1) 12) MIM slot 1
Figure 2-8 Rear view of the AR 28-12 (AC-powered)
(3) (4) (5) (6) (8) (9)(10)(11) (12)
(2)(1)
(7)
3
1) SIC slot 3 2) SIC slot 23) Power switch 4) Power socket5) Grounding screw 6) Fixed E1 interface (CE1)7) Conversion switch for E1 interface impedance 8) Console port (CON)9) Auxiliary port (AUX) 10) Fixed Ethernet interface (LAN0)11) Fixed Ethernet interface (LAN1) 12) MIM slot 1
Figure 2-9 Rear view of the AR 28-13 (AC-powered)
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1) SIC slot 3 2) SIC slot 23) Power switch 4) Power socket5) Grounding screw 6) Fixed T1 interface (CT1)7) Console port (CON) 8) Auxiliary port (AUX)9) Fixed Ethernet interface (LAN0) 10) Fixed Ethernet interface (LAN1)11) MIM slot 1
Figure 2-10 Rear view of the AR 28-14 (AC-powered)
2.3.2 Panel LEDs
Seven LEDs are provided on the front panel of the AR 28-12/28-13/28-14. Their
meaning is explained in the following table:
Table 2-5 LEDs on the front panel of the AR 28-12/28-13/28-14
LED Description
POWERPower LED.
OFF means power is off; ON means power is on.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system ismalfunctioning.
SLOT1
MIM LED.
OFF means no interface module is present or the modulehas failed.
ON means the interface module is functioning normally.
SLOT2
SIC LED.
OFF means no interface card is present or the card hasfailed.
ON means the interface card is functioning normally.
SLOT3
SIC LED.
OFF means no interface card is present or the card hasfailed.
ON means the interface card is functioning normally.
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2.3.3 System Description
Table 2-8 System description of the AR 28-12/28-13/28-14
Item AR 28-12 AR 28-13 AR 28-14
Slot1 MIM slot
2 SIC slots
Fixed interface
2 x 10/100 MbpsEthernet interface
2 synchronous/asynchronous seriesinterfaces (DB-28)
1 AUX port
1 console port
2 x 10/100 MbpsEthernetinterface
1 CE1/PRIinterface
1 AUX port
1 console port
2 x 10/100 MbpsEthernetinterface
1 CT1/PRIinterface
1 AUX port
1 console port
Processor MPC8241 200 MHz
Boot ROM 512 KB
SDRAMDefault: 128 MB
Max.: 256 MB
Flash 32 MB
Physicaldimensions (H x Wx D)
44.4 x 442 x 315 mm (1.7 x 17.4 x 12.4 in.)
Weight 6 kg (13 lb)
ACRated voltage:100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 264 VAC; 47 Hz to 63 HzInputvoltage
DCRated voltage: –48 VDC to –60 VDC
Maximum tolerance: –40 VDC to –75 VDC
Max. power 60 W
Operatingtemperature
0°C to 40°C (32°F to 104°F)
Relative humidity
(noncondensing)
5% to 90%
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Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
2.4 AR 28-30/28-31
2.4.1 Appearance
1) Power LED (POWER) 2) System LED (SYSTEM)3) AUX interface (AUX) 4) Console port (CON)
5) SLOT 1 through 3 LEDs (READY/ACTIVE) 6) LAN LED (READY/ACTIVE)
Figure 2-11 Front view of the AR 28-30/28-31
1) Power switch 2) Power socket
3) Grounding screw 4) Fixed LAN interface (10Base-T/100Base-Tx)5) MIM SLOT1 6) MIM SLOT2
7) MIM SLOT3
Figure 2-12 Rear view of the AR 28-30
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1) Power switch 2) Power socket 3) Grounding screw 4) Fixed LAN interface (LAN0)5) Fixed WAN interface (WAN0) 6) MIM SLOT1 7) MIM SLOT2 7) MIM SLOT3
Figure 2-13 Rear view of the AR 28-31
2.4.2 Panel LEDs
Ten LEDs are provided on the AR 28-30/28-31. Their meaning is explained in the
following table:
Table 2-9 LEDs on the front panel of the AR 28-30/28-31
LED Description
POWER
Power LED.
OFF means power is off.
ON means power is on.
SYSTEM
Hardware system operating LED.Blinking means the system is operating normally.
Steady ON or steady OFF means the system ismalfunctioning.
READY
Module status LED.
ON means the module in corresponding slot runs normally.
OFF means the module is malfunctioning or no module ispresent.
ACTIVE
Activity LED.
Blinking means data is being transmitted and/or received.
OFF means no data is being transmitted or received.
1- 3 Indicates slot numbers.
LAN
Ethernet interface LED.
Green means the interface is normal.
Blinking yellow means data is being transmitted and/orreceived over Ethernet.
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2.4.3 System Description
Table 2-10 System description of the AR 28-30/28-31
Item AR 28-30 AR 28-31
Fixed interface
1 AUX port
1 console port
1 LAN (Ethernet) interface
1 AUX port
1 console port
2 LAN (Ethernet)interfaces
Slot 3 MIM slots
Processor MPC8245 300 MHz
Boot ROM 512 KB
SDRAM
Default: 128 MB
Max.: 256 MB
Flash 32 MB
Physical dimensions (H xW x D)
44.4 x 442 x 413 mm (1.7 x 17.4 x 12.4 in.)
Weight 8 kg (17.6 lb)
Inputvoltage
AC
Rated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 270 VAC; 47 Hz to 63Hz
Max. power 80 W
Operating temperature 0°C to 40°C (32°F to 104°F)
Relative humidity(noncondensing)
5% to 90%
Note:
SDRAM (synchronous dynamic random-access memory) functions as the primary
memory.
Flash memory: As the primary file storage media, stores application programs,anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
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2.5 AR 28-40
2.5.1 Appearance
(2) (3) (4) (5)
(1)
1) Power LED (POWER) 2) System LED (SYSTEM)3) AUX port (AUX) 4) Console port (CON)5) SLOT 0 – 3 LEDs (READY/ACTIVE)
Figure 2-14 Front view of the AR 28-40
(1) (2) (3) (4) (5)
(6)(7)
1) Power switch 2) Power socket 3) Grounding screw 4) MIM SLOT1
5) MIM SLOT0 6) MIM SLOT2 7) MIM SLOT3
Figure 2-15 Rear view of the AR 28-40
2.5.2 Panel LEDs
Ten LEDs are provided on the AR 28-40. Their meaning is explained in the following
table:
Table 2-11 LEDs on the front panel of the AR 28-40
LED Description
POWER
Power LED.
OFF means power is off.
ON means power is on.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system ismalfunctioning.
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LED Description
READY
Module status LED.
ON means the module in corresponding slot runs normally.
OFF means the module is malfunctioning or no module ispresent.
ACTIVE
Activity LED.
Blinking means data is being transmitted and/or received.
OFF means no data is being transmitted or received.
0 – 3 Indicates slot numbers.
2.5.3 System Description
Table 2-12 System description of the AR 28-40
Item Description
Slot 4 MIM slots
Processor MPC8245 300 MHz
Boot ROM 512 KB
SDRAMDefault: 128 MB
Max.: 256 MB
Flash 32 MB
Physicaldimensions (H x Wx D)
44.4 x 442 x 413mm (1.7 x 17.4 x 12.4 in.)
Weight 8 kg (17.6 lb)
Input voltage ACRated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 270 VAC; 47 Hz to 63 Hz
Max. power 80 W
Operating
temperature0°C to 40°C (32°F to 104°F)
Relative humidity(noncondensing)
5% to 90%
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Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
2.6 AR 28-80
2.6.1 Appearance
(1)
(2) (3) (4)
{
(5)
1) Power LED (POWER) 2) System LED (SYSTEM)3) AUX port (AUX) 4) Console port (CON)5) SLOT 0 – 7 LEDs (READY/ACTIVE)
Figure 2-16 Front view of the AR 28-80
(1) (2) (3) (4) (5)
(6)(7)
(8)(9) (11) (10)
1) Power switch 2) Power socket 3) Grounding screw 4) MIM SLOT05) MIM SLOT1 6) MIM SLOT2 7) MIM SLOT3 8) MIM SLOT4 9) MIM SLOT5 10) MIM SLOT6
11) MIM SLOT7
Figure 2-17 Rear view of the AR 28-80
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2.6.2 Panel LEDs
Eighteen LEDs are provided on the AR 28-80. Their meaning is explained in the
following table:
Table 2-13 LEDs on the front panel of the AR 28-80
LED Description
POWER
Power LED.
OFF means power is off.
ON means power is on.
SYSTEM
Hardware system operating LED.
Blinking means the system is operating normally.
Steady ON or steady OFF means the system is malfunctioning.
READY
Module status LED.
ON means the module in corresponding slot runs normally.
OFF means the module is malfunctioning or no module ispresent.
ACTIVE
Activity LED.
Blinking means data is being transmitted and/or received.
OFF means no data is being transmitted or received.
0 – 7 Indicates slot numbers.
2.6.3 System Description
Table 2-14 System description of the AR 28-80
Item Description
Slot 8 MIM slots
Processor MPC8245 300 MHz
Boot ROM 512 KB
SDRAMDefault: 128 MB
Max.: 256 MB
Flash 32 MB
Physical dimensions (Hx W x D)
88.2 x 442 x 413 mm (3.5 x 17.4 x 16.3 in.)
Weight 14 kg (30.9 lb)
Inputvoltage
ACRated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz
Maximum tolerance: 85 VAC to 270 VAC; 47 Hz to 63 Hz
Max. power 120 W
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Item Description
Operation temperature 0°C to 40°C (32°F to 104°F)
Relative humidity
(noncondensing)5% to 90%
Note:
SDRAM (synchronous dynamic random-access memory): As the primary memory,
stores data for communication with CPU during system operation.
Flash memory: As the primary file storage media, stores application programs,
anomaly information, configuration file.
Boot ROM: Stores Bootstrap program.
2.7 Differences between AR 28 Series Routers
Table 2-15 Differences between AR 28 Series Routers
ModelFixed LANinterface
Fixed WAN interface SIC slo t MIM slot
AR 28-09 11 (synchronous/asynchronous serial
interface)
2 1
AR 28-10 11 (synchronous/asynchronous serialinterface)
2 1
AR 28-11 21 (synchronous/asynchronous serialinterface)
2 1
AR 28-12 22 (synchronous/asynchronous serialinterface)
2 1
AR 28-13 2 1 (CE1/PRI interface) 2 1
AR 28-14 2 1(CT1/PRI interface) 2 1
AR 28-30 1 0 0 3
AR 28-31 2 0 0 3
AR 28-40 0 0 0 4
AR 28-80 0 0 0 8
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Chapter 3 Installation Preparation
3.1 Requirements on Environment
AR 28 Series must be used indoors. To ensure the normal operation and prolong their
service life, the following requirements for installation site must be met.
3.1.1 Requirements on Temperature/Humidity
Certain requirements on temperature and humidity in the equipment room shall be met.
If the relative humidity is too high, the insulation materials in it will deteriorate easily or
even lead to electric leakage. Sometimes this will result in change to the mechanicalperformance of the materials and rusting of the metal components. If the relative
humidity is too low, the fastening screw will become loosen due to shrinkage of the
isolation spacer. In an environment with dry climate, static electricity may be produced,
putting the CMOS of the router to risk. High temperature is of the greatest risk: for it will
significantly degrade the router’s reliability, speed up aging process of the insulating
materials, and shorten the service life of the router. The requirements on the
temperature and humidity for AR 28 Series are shown in Table 3-1:
Table 3-1 Humidity requirements in the equipment room
Temperature Relative humidity
0°C to 40°C 5% to 90%, non-condensing
3.1.2 Requirements on Cleanness
Dust is harmful to the safe operation of the Router. Dust on the chassis may result in
static absorption, thus causing poor contact of the metal connection components or
points. Especially under the condition of low indoor humidity, dust is easier to be
absorbed, which not only shortens the operational lifetime of the equipment, but alsoresults in communication failure.
There should not be explosive, conductive, magnetic and corrosive dust in the
equipment room where Quidway AR 28 Series Routers are located, and the dust
concentration should meet the following requirements:
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Table 3-2 Limitation on dust content in equipment room
Diameter ( m) 0.5 1 3 5
Concentration
(particle/m³)1.4 × 10
7 7 × 10
5 2.4 × 10
5 1.3 × 10
5
Besides the dust specifications, the equipment room of the Router should also meet the
rigorous requirements for the content of salt, acid and sulfide. These harmful gases
could accelerate the metal erosion and aging process of some parts. The specific limits
of these harmful gases are given in the following table.
Table 3-3 Harmful gas limits in an equipment room
Gas Max. (mg/m3)
SO2 0.2
H2S 0.006
NH3 0.05
Cl2 0.01
3.1.3 Requirements on Electrostatic Discharge Prevention
Although many antistatic considerations have been given to AR 28 Series, damage to
the router’s circuit or even the whole equipment may still happen when the static
electricity exceeds the tolerance threshold.
In the communication network to which the routers are connected, static induction
mainly comes from:
External electric fields such as outdoor high voltage power line or thunder.
Internal environment like flooring materials or the whole equipment structure.
Thus, the following should be considered to safeguard the equipment against the ESD:
Make sure that the equipment and the floor are well grounded.
Make sure that dust-proof measures are taken.
Maintain an appropriate humidity and temperature.
Wear an ESD-preventive wrist strap and uniform when contacting the circuit
board.
Place the uninstalled circuit board on the antistatic workbench, with its face
upward, or put it into the static shielding bag.
When observing or removing the uninstalled circuit board, please touch the edge
of the circuit board, and avoid contacting the devices on it.
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3.1.4 Requirements on Electromagnetic Environment
The interference sources, no matter where they come from, affect the routers with
capacitance coupling, inductance coupling, radiation of electromagnetic wave,
common impedance (including the grounding system) or conducting line (power line,
signal line and transmission line etc.).
So the following should be considered:
Take effective measures to prevent the power system from being interfered with by
the power grid system.
Keep the router far away from the radio launcher, radar launcher, and
high-frequency devices working in high current.
Use electromagnetic shielding when necessary.
3.1.5 Requirements on Preventing Lightning
Although many measures have been taken to protect AR 28-30/28-31/28-40/28-80
Series from lightning, if the lightning intensity exceeds a certain range, damage to the
router may still happen. To protect the router from lightning better, the following should
be considered:
Ensure the PGND wire of the chassis is well grounded.
Ensure the ground point of the socket of AC power supply is well grounded.
To enhance the lightning protection capability of the power supply, a lightning
arrester could be installed at the input end of the power supply.
As for the signal line outdoors to which the interface modules of AR 28 Series
routers are connected, such as ISDN line, telephone line, E1/T1 line, etc, a special
lightning arrester should be installed at the input end of the signal line to enhance
the lightning protection capability.
3.1.6 Requirements on Workbench
No matter whether you are to install the router in the cabinet or directly place it on the
workbench, it is necessary to ensure that:
There is spacing reserved at the air inlet and outlet in the router so as to facilitatethe radiation of the router cabinet.
The cabinet and workbench have good radiation systems.
The cabinet and the workbench are firm enough to support the router and other
installation accessories.
The cabinet and workbench are well grounded.
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3.2 Precautions
Routers play a key role in data communications network. Please pay attention to the
following:
Warning:
It indicates that this operation is incorrect and may seriously damage the router or
endanger the operator. Please follow the correct operation procedures for sake of
safety.
Caution:
It indicates that during the installation and usage of the router, the operation needs
attention. This operation is incorrect and perhaps will affect the normal operation of the
router.
Please follow the following safety recommendations during the installation and use of
the router:
Keep the router away from any wet place or heat source.
Make sure that the router is normally grounded.
Please wear an ESD-preventive wrist strap before installation, and make sure one
end of it well contacts your skin, and the other end is well grounded.
Do not hot swap the interface modules of the router and any cable.
Correctly connect the interface cable for the router. Do not connect the telephone
cable (including the ISDN cable) to the AUX port or the console port.
Always use Uninterrupted Power Supply (UPS).
3.3 Tools, Meter and Devices
I. Tools
Phillips screwdriver
Straight screwdriver
ESD-preventive wrist strap
II. Cables
PGND wire and power cord
Console cable
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Auxiliary cable
Ethernet cable
Interface cable for selected interface modules
III. Devices
A Router, optional Multi-functional Interface Modules (MIMs)
Ethernet HUB or LAN Switch
CSU/DSU (channel service unit/data service unit) or other DCE devices
Console terminal (can be an ordinary PC)
Multimeter
Caution:
AR 28 Series are not shipped with any installation tools, and the user has to prepare the
tools.
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Chapter 4 Installation of the Router
4.1 Installation Process
Normal?
Install the Router tothe specified location
Connect PGND
Connect power cord
Connect the Router toConsole terminal
Check
Power on
Power off and disconnectthe power cord
Install MIM
Connect Router to Ethernet
Connect Router to WAN
Connect Router to voicedevice
Connect power cord/power on
Check
End
Start
Power off
Troubleshooting
No
Yes
Figure 4-1 Quidway AR 28 Series Router installation process
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Caution:
You must follow this procedure to install the router. Otherwise, failed installation or
device damage may result.
Turn off the power switch and disconnect the power cord before installing interface
cards and interface modules.
Before installing the router, make sure that you have read Chapter 3 of this manual
carefully and the requirements listed in Chapter 3 have been satisfied.
4.2 Installing the Router
Install the router after you have completed the installation preparations.
The installation of the router will be respectively described below according to the
positions that it will be placed:
Installing the router on a workbench
Installing the router in a rack
4.2.1 Installing the Router on a Workbench
In many circumstances, you may not own a 19-inch standard rack. Usually, the router
will be installed on a clean workbench. The operations are very simple, but still, youshould be aware of the following items:
Ensure the stability and well-grounding of the workbench.
Leave a space of 10cm around the router for heat dissipation.
Do not place heavy objects on the router.
4.2.2 Installing the Router in a Rack
Quidway AR 28 Series Routers (except for the AR 28-09) are designed for mounting in
a 19-inch standard rack. The router dimensions are:
Table 4-1 Router dimensions
Router model Dimensions
AR 28-09 (H x W x D)79.4 x 376.2 x 287.9 mm (3.1 x 14.8 x11.3 in.)
AR 28-10/28-11/28-12/28-13/28-14 (HX W X D)
44.4 x 442 x 315 mm (1.7 x 17.4 x 12.4in.)
AR 28-30/28-31 (H x W x D)44.4 x 442 x 413 mm (1.7 x 17.4 x 12.4in.)
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The power input end of Quidway AR 28 Series Router is connected to a noise filter. The
neutral point of the noise filter is directly connected to the chassis and is called
protection ground (PGND). The PGND wire must be well grounded, so as to safely
conduct the faradism and leaky electricity to the earth ground, and thereby improve the
capability of the whole device to guard against the electromagnetic interference. This
PGND wire can also protect the router against the lightning caused by the connection
with the external network lines, such as E1/T1 line, ISDN/PSTN line.
The grounding screw of Quidway AR 28 Series Router, which is marked with grounding
label, is located near the AC power socket and its switch on the rear pannel of the
chassis, as shown in the following figure:
(1) (2) (3)
1) Power switch 2) AC input 3) Grounding terminal
Figure 4-3 Grounding screw of the router
Use a PGND wire to connect the screw to the earth ground, and the grounding
resistance should not be greater than 5-ohm. Likewise, if the router is installed in a
19-inch standard rack, this rack is required to be grounded too.
Caution:
When the router is in normal operation, it is required to be well grounded. Otherwise,
the router cannot reliably avoid lightning, which may damage the router itself and even
the peer device.
4.5 Connecting the power cord
The user is provided with two types of Quidway AR 28 Series Routers (except for
AR28-09): AC-powered and DC-powered. Except for the input power, these two types
have exactly the same features and functions.
The AR 28-09 is only available with the AC-powered unit while the AR
28-10/28-11/28-12/28-13/28-14 is available with both AC-powered unit and
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DC-powered unit. AC-powered units and DC-powered units are the same except that
they use different inputs.
4.5.1 Power input and PGND
Table 4-2 Power input and PGND of the AR 28-09
Item Description
Power inputInput voltage 12 VDC, connected through the external powermodule to the 110/220 V site power
PGND Connected to the earth ground with ground cable
Table 4-3 Power input and PGND of the AR 28-10/28-11/28-12/28-13/28-14
Item Description
Power input 100 VAC to 240VAC power input socket (for AC-powered units)
–48 VDC to –60 VDC power input socket (for DC-powered units)
PGND Connected to the earth ground with a ground cable
Table 4-4 Power input and PGND of the AR 28-30/28-31/28-40/28-80
Item Description
Power input 100 VAC to 240 VAC power input socket
PGND Connected to the earth ground with a ground cable
4.5.2 Connecting the AC-Input Power Cord
I. AC power supply
Rated voltage range: 100 to 240VAC, 50 Hz to 60 Hz
The following figure illustrates the partial external appearance of the power socket for a AC-powered router:
(1) (2)
~
1) Power switch 2) AC input receptacle
Figure 4-4 Power socket on AC-powered units
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II. AC power socket (recommended)
You are recommended to use a three-terminal single-phase power socket with ground
contact, which must be grounded reliably. Normally, the ground contact of the power
supply system in a building was buried during construction and cabling. Still, beforeconnecting the AC-input power cord, you must make sure that the power supply of the
building is well grounded.
III. Connecting the AC-input Power Cord
Follow these steps to connect the AC-input power cord:
1) Check that the PGND is securely connected to the earth ground.
2) Make sure that the power switch of the router is in the OFF position. Insert one end
of the power cord accompanying the router into the power socket on the chassis
rear panel, and fix the cable onto the cable-retention clip with a cable strap.Connect the other end of the cable to an AC power source at your installation site.
3) Place the power switch of the router to the ON position.
4) Check that the PWR LED on the front panel of the router is on for correct
connection.
4.5.3 Connecting the DC-Input Power Cord
I. DC-input power supply
DC input range: –48 VDC to –60 VDC
The following figures show the power sockets on DC-powered routers.
DC input for the AR 28-10/28-11
(1) (2)
-48 -60V
BGND -48V PGND
1) Power switch 2) DC input receptacle
Figure 4-5 DC-input power socket on the AR28-10/28-11
DC input for the AR 28-12/28-13/28-14
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1) Power switch 2) DC input receptacle
Figure 4-6 DC-input power socket on the AR 28-12/28-13/28-14
II. Connecting the DC-input power cord
A DC-input power cord is made up of one –48 V blue power cord and one black PGND
wire.
TO BGND TO BGND(1)
TO -48V TO -48V(1)
1) Main label
Figure 4-7 DC-input power cord for the AR-28-10/28-11
Figure 4-8 DC-input power cord for the AR 28-12/28-13/28-14
Follow these steps to connect the DC-input power cord:
1) Check that the PGND is securely connected to the earth ground.
2) Check that the power switch of the router is placed in the OFF position. Then,
connect one end of the DC-input power cord (including DC PGND connector and
–48V power cord connector) to the power socket on the router chassis, and the
other end (including DC PGND connector and –48V power cord connector) to the
–48 VDC power source.
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Warning:
To avoid wrong connection, carefully read the label on the DC-input power cord before
making connection.
3) Place the power switch of the router to the ON position.
4) Check that the POWER LED on the front panel of the router is ON for correct
connection.
4.6 Connecting the Console Terminal
I. Console port
The AR 28 series provides an RS232 asynchronous serial console (CON) port for
router configuration. For its attributes, refer to Table 4-5:
Table 4-5 Attributes of the console port
At tr ibute Descript ion
Connector RJ-45
Interfacestandard
RS232
Baud rate 9600 bps (default) to 115,200 bps
Function
Connecting to the ASCII terminal
Connecting to the serial interface of the local PC and runningterminal emulation program on the PC
Command line interface (CLI)
II. Console cable
Console cable is an eight-wire shielded cable. At one end of the cable is a crimped
RJ-45 connector to the console port on the router; at the other end of the cable is aDB-9 (female) connector to the serial port on the console terminal.
The following figure illustrates the console cable.
A
A
Figure 4-9 Console cable
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III. Connecting the console cable
Follow these steps to connect the router to a console terminal:
1) Select a console terminal. It can be a standard ASCII terminal with an RS232
serial port, or more commonly, a PC.
2) Power down the router and the console terminal; connect the RS232 serial port on
the console terminal to the console port on the router through the console cable.
3) Verify the connection and power up the devices.
The console terminal shows the startup information of the router if the connection is
correct. For details, refer to section 5.1.3 “Startup Process.”
4.7 Connecting the Router to a LAN
I. Ethernet interface
Quidway AR 28 Series Routers are available with fixed 100Base-TX FE interface(s)
and Ethernet modules/cards for expansion. For more information, refer to the appendix
in Low-End and Mid-Range Series Routers Interface Card and Interface Module
Manual.
The following table describes Ethernet interface attributes.
Table 4-6 Attributes of the Ethernet interface
At tr ibute Descript ion
Connector RJ-45
Interface MDI
Frame formatEthernet_II
Ethernet_SNAP
Operating mode10/100 Mbps auto-sensing
Full duplex/half duplex
Note:
MDI (media dependent interface is a typical type of Ethernet interface provided by
network adapters.
MDIX is crossover media-dependent interface, which is commonly found on a Hub or
LAN switch.
II. Ethernet cable
100Base-TX Ethernet interfaces usually use category 5 twisted pair cables, as shown
in the following figure:
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Figure 4-10 Ethernet cable
Ethernet cables fit into the following two categories:
Straight-through cable, at both ends of which, wires are crimped in the RJ-45
connectors in the same sequence. The cable connects different categories of
devices, such as a terminal device (PC for example) or router to a Hub or LAN
switch.
Crossover cable, at both ends of which, wires are crimped in the RJ-45 connectors
in different sequences. The cable connects the same category of devices, such as
PC to PC or PC to router. You can make crossover cables yourself as needed.
Caution:
In making network cables, shielded cables are preferred for electromagnetic
compatibility sake.
III. Connecting the Ethernet cable
Caution:
Prior to connection, please identify the mark on the interface in order to plug
correctly.
While connecting the Ethernet cable to a LAN Switch, plug the cable into the
10/100BASE-T interface marked with MDIX.
Follow the steps below to connect an Ethernet cable:
1) While connecting the Router with a PC or a Router, please use the crossover
cable, plug one end of the cable to an Ethernet interface of the Router, and plug
another end to a PC or a Router. While connecting the Router with a Hub or a LAN
Switch, please use the straight-through network cable, plug one end of the cable
to an Ethernet interface of the Router, and plug another end to a HUB or LAN
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Switch. For the cable pinouts, please refer to Low-End and Mid-Range Series
Routers Cable Manual.
2) Check the LAN LED on front panel of the Router. ON means the link is connected.
4.8 Connecting Router to the WAN
Quidway AR 28 Series Routers provide multiple types of WAN interfaces, and the fixed
WAN interfaces include an AUX port and a WAN interface (synchronous/asynchronous
serial interface). This section describes the connection of the two interfaces. For the
connection of WAN interface provided by the SIC/MIM, refer to the Low-End and
Mid-Range Series Routers Interface Card and Interface Module Manual.
4.8.1 Connecting the AUX port to the Modem
I. Introduction to the AUX port
As an RS232-compliant asynchronous serial interface, the AUX port can be used as
the backup of other WAN interface in the dial-up mode. In the event that the console
port fails, the AUX port can serve as a console port. For the attributes of the AUX port,
please refer to Table 4-7.
Table 4-7 Attributes of the AUX port
At tr ibute Descript ion
Connector RJ-45
Interface standard RS232
Baud rate 300 bps to 115,200 bps
Function
Modem dial-up
Backup
Operating as the console port when the CON fails
Protocol
PPP
SLIP
MP
II. AUX cable
AUX cable is an 8-core shielded cable. One end of the cable is an RJ-45 connector,
which can be plugged into the AUX port of the device. The other end is furnished at the
same time with a DB-9 (male) connector and a DB-25 (male) connector. The user can
choose either of them to plug into the serial port of Modem as needed.
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Figure 4-11 AUX cable assembly
III. Connection of the AUX cable
Follow these steps to connect the AUX cable:
Step 1: Plug the RJ-45 connector of the AUX cable into the AUX port of the router.
Step 2: Connect the DB-25 or DB-9 connector of the AUX cable to the serial interface of
the analog Modem.
In general, the AUX port is used for remote configuration or dial-up backup. The local
Modem is first connected to the remote Modem through PSTN, and then to the remote
device.
4.8.2 Connect ing WAN Interface to DSU/CSU
I. Connecting synchronous/asynchronous serial interface to DSU/CSU
1) Introduction to the synchronous/asynchronous serial interface
The fixed WAN interface of Quidway AR 28 Series Router is a
synchronous/asynchronous serial interface, which is usually used for the connection
with a WAN device, such as a Modem or CSU/DSU. It can operate in the
synchronous/asynchronous mode or DTE/DCE mode, depending on the application.
For the attributes of the interface, please refer to Table 4-8
Table 4-8 Attributes of the synchronous/asynchronous serial interface (DB-28)
Description Attr ibuteSynchronous Asynchronous
Connector DB-28
V.24V.35/RS449/X.21/RS530
Interface standardand operatingmode DTE/DCE DTE/DCE
RS232
Minimum baud rate(bps)
1200 1200 300
Maximum baud
rate (bps) 64 k 2.048 M 115200
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Description Attr ibute
Synchronous Asynchronous
Matching cable
V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
V.35 DTE cable
V.35 DCE cable
X.21 DTE cable
X.21 DCE cable
RS449 DTE cable
RS449 DCE cable
RS530 DTE cable
RS530 DCE cable
Service
DDN leased line backup
Terminal access
Backup
Modem dialupBackup
Asynchronous lease line
terminal access
Protocol
PPP
MP
LAPB
HDLC
X.25
Frame Relay
PPP
SLIP
MP
Table 4-9 Attributes of the synchronous/asynchronous serial interface (DB-28)
Description Attr ibute
Synchronous Asynchronous
Connector DB-50
V.24 V.35Interface standardand operating
modeDTE/DCE DTE/DCE
RS232
Minimum baud rate(bps)
1200 1200 300
Maximum baudrate (bps)
64 k 2.048 M 115200
Matching cable
V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
V.35 DTE cable
V.35 DCE cable
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Description Attr ibute
Synchronous Asynchronous
ServiceDDN leased line backupTerminal access
Backup
Modem dialup
Backup
Asynchronous leaseline
terminal access
Protocol
PPP
MP
LAPB
HDLC
X.25
Frame Relay
PPP
SLIP
MP
Synchronous/asynchronous mode
Synchronous/Asynchronous serial interface can work in either synchronous or
asynchronous mode. Different signaling standards are supported in these two modes.
V.35, V.24 (RS232), RS449, X.21, and EIA-530 support synchronous operating mode,
while V.24 (RS232) supports asynchronous operating mode. The maximum
transmission distance and baud rate of the signal vary with the operating mode.
Table 4-10 Transmission rate and transmission distance of V.24 (RS232)/V.35 cable
V.24 (RS232) V.35
Baud rate (bps)Maximum
transmissiondistance (m)
Baud rate(bps)
Maximum transmissiondistance (m)
2400 60 2400 1250
4800 60 4800 625
9600 30 9600 312
19200 30 19200 156
38400 20 38400 78
64000 20 56000 60
115200 10 64000 50
–– –– 2048000 30
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Caution:
The baud rate should not exceed 64kbps when the V.24 cable operates in synchronous
mode.
DTE and DCE
Synchronous serial interface can operate in both DTE and DCE mode. For two devices
connected directly, one should operate in DTE mode, and the other should operate in
DCE mode. The device at the DCE side provides a synchronous clock and specifies the
transmission rate, while the device at the DTE side accepts the synchronous clock and
communicates at the specified baud rate. Usually, the router serves as a DTE device.
To determine whether the device connected to the router is a DTE or DCE, please refer
to the manual that came with the device. Also the following table will be helpful in
identifying DTE and DCE. Usually, the PC or Router serves as a DTE device and the
Modem, Multiplexer or CSU/DSU serves as a DCE device.
In general, the asynchronous serial interface is connected to an external Modem or a
Terminal Adapter (TA) to work as the dial-up interface. In this case, it is unnecessary to
determine whether the device is DTE or DCE, and just choose an appropriate baud
rate.
For the operating mode configuration of the synchronous/asynchronous serial interface,
please refer to VRP3.4 Operation Manual.
2) Synchronous/asynchronous serial interface cable
The WAN interface of the router (except for the AR28-12) is a DB-50 receptacle. Proper
connection cable needs to be selected for the protocol applied. By far, four types of
synchronous/asynchronous serial interface cables are available. At one end of these
four types of cables is a DB-50 connector, and at the other end (network end) is a
connector that can be one of the following depending on cable type:
V.24 (RS232) DTE cable: DB-25 (male) connector
V.24 (RS232) DCE cable: DB-25 (female) connector
V.35 DTE cable: 34PIN (male) connector
V.35 DCE cable: 34PIN (female) connector
The following figures show all these cables.
V.24 (RS232) DTE cable assembly
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Figure 4-12 V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
Figure 4-13 V.24 (RS232) DCE cable
V.35 DTE cable
Figure 4-14 V.35 DTE cable
V.35 DCE cable
Figure 4-15 V.35 DCE cable
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The synchronous/asynchronous series interfaces on the AR 28-12 use DB-28
connectors, for which the following ten synchronous/asynchronous series interface
cables are available:
V.24 (RS232) DTE cable: DB-25 (male) connector V.24 (RS232) DCE cable: DB-25 (female) connector
V.35 DTE: 34PIN (male) connector
V.35 DCE: 34PIN (female) connector
X.21 DTE: DB-15 (male) connector
X.21 DCE: DB-15 (female) connector
RS449 DTE: DB-37 (male) connector
RS449 DCE: DB-37 (female) connector
RS530 DTE: DB-25 (male) connector
RS530 DCE: DB-25 (female) connector
The following figures show these cables.
V.24 DTE cable
Figure 4-16 V.24 DTE cable
V.24 DCE cable
Figure 4-17 V.24 DCE cable
V.35 DTE cable assembly
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Figure 4-22 RS449 DTE cable
RS449 DCE cable
Figure 4-23 RS449 DCE cable
RS530 DTE cable
Figure 4-24 RS530 DTE cable
RS530 DCE cable
Figure 4-25 RS530 DCE cable
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For details about cable connection, see Low-End and Mid-Range Series Routers Cable
Manual.
Caution:
The aforementioned cables are optional, so you have to order them as needed when
purchasing routers.
3) Connection of synchronous/asynchronous serial cable
Caution:
Do not hot swap the synchronous/asynchronous cable. Otherwise, the router or the
connected remote equipment may be impaired.
Follow the steps below to connect the synchronous/asynchronous cable (taking the
connection from WAN to DSU/CSU as an example):
Step 1: Check that a proper synchronous/asynchronous cable is shipped with the
router.
Step 2: Plug the DB-50/DB-28 connector of the cable into the interface WAN on the
router.
Step 3: Connect the other end of the cable to the CSU/DSU device. (If the WAN adopts
dial-up line, connect the cable to the serial interface of the analog Modem.
II. Connecting E1 interface to DSU/CSU
1) Introduction to the E1 interface
E1 interface, which stands for channelized CE1/PRI interface, is responsible forforwarding and processing E1 data flow, delivering CE1 access and implementing
ISDN PRI function. Its attributes are listed in the following table.
Table 4-11 E1 interface attributes
At tr ibute Descript ion
Connector type DB-15
Interface standard G.703, G.704
Baud rate 2.048 Mbps
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Figure 4-27 E1 120-ohm balanced twisted pair cable
Note:
You can also choose to attach both ends with RJ-45 connectors, for extending two
120-ohm balanced twisted pair cables.
In addition, you can order 75–120-ohm adapter if needed.
For the pinouts of E1 interface cable, see Low-End and Mid-Range Series Routers
Cable Manual.
Note:
E1 interface cable, coaxial connector, network interface connector and 75–120-ohm
adapter are optional, so you have to order them as needed when purchasing the AR
28-13.
3) Impedance inverter switch
Impedance inverter switch is also available, through which you can choose the
interface impedance value.
Turn on the switch to change the interface impedance to 75-ohm, and then you
need to connect the 75-ohm cable.
Turn on the switch to change the interface impedance to 120-ohm, and then you
need to connect the 120-ohm cable.
4) Connecting the E1 interface cable
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Caution:
Check the interface mark before connection to avoid cable mis-insertion and router
damage.
When the E1 interface cable is routed outdoors, you need use the special lightning
protection unit at the input end to prevent possible damage.
Step 1: Check the E1 cable type and choose correct impedance value of the E1
interface through the inverter switch.
Step 2: Insert the DB-15 connector into the E1 interface of the router.
Step 3: Connect the other end to the right network devices.
For 75-ohm unbalanced coaxial cable
Connect the cable in this way:
If you choose only a single BNC connector, just connect the BNC connector to the peer
device.
If you choose two BNC connectors (for extending E1 interface cables), connect the
BNC connector of the 75-ohm unbalanced coaxial cable to a coaxial connector
assembly, which is connected to a 75-ohm E1 trunk cable. The 75-ohm E1 trunk cable
is then connected to the peer device.
Caution:
Connect the Tx end of the E1 interface cable to the Rx end of the peer unit, and Rx end
of the E1 interface cable to the Tx end of the peer unit.
DDN
R o u t er
BNC connector
DB-15
75Ω unbalanced
coax cableCoax connector
assembly
BNCconnector
75Ω E1
trunk cable
Figure 4-28 Extending two E1 75-ohm unbalanced coaxial cables
If the peer device provides the 120-ohm interface, you need to use 75 −120-ohm
converter or 120-ohm cable.
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For 120-ohm balanced twisted pair cable
Connect the cable in this way:
If you choose only a single RJ-45 connector, just connect the RJ-45 connector to the
peer device.
If you choose two RJ-45 connectors (for extending E1 interface cables), connect the RJ
connector of the 120-ohm balanced twisted pair cable to a network connector
assembly, which is connected to a 120-ohm E1 trunk cable. The 120-ohm E1 trunk
cable is then connected to the peer device.
DDN
DB-15
RJ-45 RJ-45R o u t er
120Ω banlanced
twisted pair cable
Network connector
assembly
120Ω E1
trunk cable
Figure 4-29 Extending E1 120-ohm balanced twisted pair cable
Step 4: Observe the status of the Link LED for the E1 interface. ON means that a link is
present. OFF means that no link is present and you need to check the line.
III. Connect ing T1 interface to DSU/CSU
1) Introduction to the T1 interface
T1 interface, which stands for channelized CT1/PRI interface, is responsible for
forwarding and processing T1 data flows, delivering CT1 access and implementing
ISDN PRI function. Its attributes are listed in the following table.
Table 4-12 T1interface attributes
At tr ibute Descript ion
Connector type RJ-45Interface standard G.703/T1 102, G.704
Maximum baud rate 1.544Mbps
Matching cable T1 cable (100Ω standard shielded cable)
Operating mode T1, CT1, ISDN PRI
Function
Backup
Terminal access
ISDN
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Note:
For the T1 module, corresponding serial interface shall be created after you use the
timeslot bundling command on the Controller T1 interface. See VRP3.4 Operation
Manual for details.
2) T1 interface cable
T1 interface matches 100-ohm standard shielded cable. See the following table:
Figure 4-30 T1 interface cable
For the pinouts of T1 interface cable, see Low-End and Mid-Range Series Routers
Cable Manual.
You can also choose to use network connector assembly, for extending two T1
interface cables.
Note:
T1 interface cable and network connector assembly are optional, so you have to order
them as needed when purchasing the AR 28-14.
3) Connecting T1 interface cable
Caution:
Check the interface mark before connection to avoid cable mis-insertion and router
damage.
When the T1 interface cable is routed outdoors, you need use the special lightning
protection unit at the input end to prevent possible damage.
Step 1: Insert one end of the T1 interface cable into the E1 interface of the router.
Step 2: Insert the other end to the peer device.
If one cable is enough in length, insert the other end to the peer device.
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If not, you need to extend the T1 interface cable with a network connector
assembly as shown in the following figure:
DDN
DB15RJ45
RJ45R o t u er
Netwrok connector
accembly
T1 interface
cable
Strandard
cable
Figure 4-31 Extending two T1 interface cables
Step 3: Observe the status of the Link LED for the T1 interface. ON means that a link is
present. OFF means that no link is present and you need to check the line.
4.9 Connecting Router to a Voice Device
The optional interface cards/interface modules on Quidway AR Series Routers also
provides many types of voice interfaces, see Low-End and Mid-Range Series Routers
Interface Card and Interface Module Manual for their connection.
4.10 Checking after Installation
During the installation of the router, it is necessary to perform the following installation
checks before powering on the router:
Whether there is enough space around the router for heat-dissipation, and
whether the workbench is stable enough.
Whether the power supply that the power cord connects to is compliant with that
required by the router.
Whether the PGND wire of the router is correctly connected.
Whether the router is correctly connected to other devices, such as the console
terminal.
Caution:
The check after installation is very important. The stability, grounding of the router and
power supply will directly affect the operation of the router.
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Chapter 5 Startup and Configuration of the Router
5.1 Startup of the Router
You can only configure the router through the console port if it is the first time you use it.
5.1.1 Setting up Configuration Environment
I. Connecting the router to a console terminal
To set up the local configuration environment, RJ-45 connector of the console cable
needs to be connected to the console port on the router, and DB-9 connector to the
serial interface of a PC, as shown in Figure 5-1.
To RS232
serial port
Console cable
Quidway AR 28-11
PC
To console port
Figure 5-1 Local configuration through CON port
II. Setting the parameters for console terminal
Step 1: Opening the console terminal and setting up a new connection.
If the configuration is performed through a PC, the terminal emulator (such as Terminal
of Windows3.1 and HyperTerminal of Windows 95/98/NT/XP) should be run on the PC
to set up a new connection. As shown in Figure 5-2, enter a name for the new
connection and click <OK>.
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Figure 5-2 New connection
Step 2: Setting terminal parameters
Follow these steps to set the parameters of the Hyper Terminal in Windows98:
1) Select a connection port.
Select the serial interface to be connected in the Connect using field in the [Connect To]
box, as shown in Figure 5-3. Note that the selected serial interface should be consistent
with the actual serial interface connected by the console cable.
Figure 5-3 Setting the connection port in the local configuration
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2) Set the serial interface parameters. As shown in Figure 5-4, in the properties
dialog box of the serial interface, set the baud rate to 9600, data bit to 8, no parity
check, stop bit to 1, and flow control to none. Then, click <OK> to return to the
HyperTerminal window.
Figure 5-4 Setting serial interface parameters
3) Set HyperTerminal properties. Select [File\Properties\Settings] in the
HyperTerminal to enter the properties setting window as shown in Figure 5-5.
Select the terminal emulation type to be VT100 or Auto detect, and click <OK> to
return to the HyperTerminal window.
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Figure 5-5 Setting terminal type
5.1.2 Powering on the Router
I. Checking before power-on
Check according to the following items before powering on the router.
Whether the power cord and PGND wire are correctly connected.
Whether the voltage of the power supply complies with the requirement of the
router.
Whether the console cable is correctly connected, whether the PC or terminal for
configuration is open, and whether the settings are done.
Warning:
Before powering on the router, the user should be aware where the switch of the power
supply to the router is located, so that the power supply can be disconnected in time
once accidents occur.
II. Powering on the router
Turn on the site power.
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Turn on the power switch on the router.
III. Checking/operating after power-on
After powering on the router, check that:
1) The LEDs on the front panel show that the router is operating normally. For
description on LED behaviors, refer to Chapter 2 “System Specifications.”
2) The console terminal displays normally.
After you power on the router, you can see the startup banner. See section 5.1.3
“Startup Process.”
After completing the power-on self-test (POST), the system asks you to press <Enter>.
When the prompt <Quidway> appears, you may proceed to configure the router.
5.1.3 Startup Process
The Boot ROM program runs upon power-on of the router and the following banner
appears on the console screen:
Note:
The displayed banner may vary slightly with Boot ROM version.
Rout er start boot i ng, ( V2. 00)
St art i ng at 0x1500000. . .
********************************************
* *
* Qui dway Seri es Rout er s Boot ROM, V9. 13 *
* *
********************************************
Copyr i ght ( c) 1998- 2005 by HUAWEI Technol ogi es CO. , LTD.
Test i ng memor y. . . OK!
256M bytes SDRAM
32768k bytes f l ash memory
Hardware Versi on i s MTR 1. 0
CPLD Ver si on i s CPLD 1. 0
Press Ct r l - B t o ent er Boot Menu
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Press <Ctrl+B> and the system will enter the Boot menu. Otherwise, the system will
enter the program decompression process.
Note:
When “Quidway Series Router Boot ROM, V9.13” appears, “Quidway start booting,
(V2.00)” will disappear immediately.
The system enters the Boot menu only if <Ctrl+B> is pressed immediately (within
three seconds) after the statement “Press Ctrl-B to Enter Boot Menu...” appears.
Otherwise, you will enter the program decompression process. To re-enter the Boot
menu during the decompression process, you need to reboot the router.
Syst em i s sel f - decompr essi ng. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OK!
Systemi s start i ng. . .
St ar t i ng at 0x10000. . .
User i nt er f ace Con 0 i s avai l abl e.
Press ENTER t o get s t art ed.
Press <Enter> and the screen will display:
<Qui dway>
This prompt indicates that the router has entered the system view, and now the router
can be configured.
5.2 Configuration Fundamentals of the Router
5.2.1 Basic Configuration Steps
In general, the configuration steps are as follows:
Step 1: Before configuring the router, the networking requirements should be made
specific, which include networking purpose, the role of the router in the network, the
division of subnets, WAN type and transmission medium, the network security policyand reliability.
Step 2: Based on the above requirements, draw a clear and integrated networking
diagram.
Step 3: Configure the WAN interface of the router. First, configure the physical
operating parameters (e.g., the operating mode of the serial interface, baud rate and
synchronous clock) of the interface according to the transmission medium of the WAN.
For the dial-up interface, the user also needs to configure DCC parameters. Then,
configure the link layer protocol encapsulated on the interface and the related operating
parameters according to the WAN type.
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Step 4: Configure the IP addresses or IPX network numbers of all the interfaces on the
router according to the division of the subnets.
Step 5: Configure the routes. If it is necessary to enable a dynamic routing protocol, the
user should configure the related operating parameters of the protocol.Step 6: If special security is required, perform the security configuration for the router.
Step 7: If special reliability is required, perform the reliability configuration for the router.
Please see VRP3.4 Operation Manual for the configuration details of the protocols or
functions of the router.
5.2.2 Command Line Interface
I. Characteristi cs of the command l ine interface
The command line interface of Quidway AR 28 Series Routers provides a number ofconfiguration commands, which can be used to configure and manage the router. The
command line interface has the following characteristics:
Performs the local configuration through CON port.
Performs the local or remote configuration through telnet command, which can be
used to directly log on and manage other routers.
Users can enter ? anytime to get online help.
Provides network diagnostic tools, such as Tracert and Ping, to quickly diagnose
the availability of the network.
Provides all kinds of detailed debugging information to diagnose network faults. The command line interpreter adopts fuzzy search for the keywords of the
command. If the user enters the conflict-free keyword for a command, the
command will be interpreted accordingly. For example, for a display command,
the user can just enter dis.
II. Command line interface
The command line interface of Quidway AR 28 Series routers provides plenty of
configuration commands. Hierarchical user protection is adopted to prevent
unauthorized users from illegal invading. Each group corresponds to a view (please
see VRP3 Operation Manual for details). The user can use these commands to switch
between different configuration views. In general, only certain commands can be
executed under a particular view. But some common commands (such as ping,
display current-configuration, interface) can be executed in all views.
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6.1.2 Software Maintenance under VRP3.X Environment
Y
N
N
Y
Check Boot ROM
and VRP versions
Start
Upgrade VRP?
Choose correct Boot ROM
Upgrade
Choose correct VRP
Choose upgrade mode
Upgrade
End
Upgrade BootROM?
X M o d em u p gr a d e
T F T P u p gr a d e
F T P u p gr a d e
Via netwrok
interface
Figure 6-1 Upgrade the Boot ROM and VRP images under VRP3.4 environment
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Note:
This section describes how to maintain the Boot ROM image taking V9.13 for
example.
The entire Boot ROM image file in this section includes two segments: extended
and basic. You can separately upgrade and back up the extended segment.
I. Boot Menu
Start the router; when the message “Press Ctrl-B to enter Boot Menu ..........” appears,
press <Ctrl+B>. The console screen displays:
Pl ease i nput bootr ompassword:
Enter the correct password (void by default) to have the system enter Boot Menu:
Boot Menu:
1: Downl oad appl i cat i on program wi t h XMODEM
2: Downl oad appl i cati on pr ogr amwi t h NET
3: Set appl i cat i on f i l e t ype
4: Di spl ay appl i cat i ons i n Fl ash
5: Cl ear appl i cat i on super passwor d
6: Reset consol e aut hent i cat i on
7: St ar t up and i gnor e conf i gur ati on
8: Ent er debuggi ng envi r onment9: Boot Rom Oper at i on Menu
a: Do not check t he ver si on of t he sof t ware
b: Exi t and r eboot
Ent er your choi ce( 1- b) :
These options are described in sequence as follows:
1) Download the application image with XMODEM. Refer to the subsection
“Upgrading Software through XMODEM” in this section.
2) Download the application image through Ethernet. Refer to the subsection
“Upgrading the application image through Ethernet” in this section. If you selectthis option, the following Net Port Download Menu appears:
Net Por t Downl oad Menu:
1: Change Net Paramet er
2: Downl oad Fr om Net
3: Exi t t o Mai n Menu
Ent er your choi ce( 1- 3) : 1
3) Set the type of the application image file to change the type of a boot file or order in
which the boot files are selected.
The router is available with the dual image function. By default, the system defines and
attempts to boot in order with three boot files: main, backup, and secure, provided they
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are available from Flash memory. If the router fails to boot with the secure boot file, it
prompts the boot failure.
The following table gives default names and types of boot files.
Table 6-1 Default names and types of the boot files
Boot file File name File type
Main boot file main.bin M
Backup boot file backup.bin B
Secure boot file secure.bin S
Note that:
The application images for system boot can be type M, B and S, but not type N/A.You can store them in Flash memory, but only one for each. For example, if an
M+B file exists, it is impossible to have another M or B file. If you change the file
type of another file to B, the M+B file becomes a type M file.
You can modify the file name of an application image in Flash memory using the
command after it boots.
You cannot modify the file type of a type S application image file, but you can
modify the file type of type M/B and N/A application image files in the Boot ROM
menu or using commands after the application image boots.
Secure boot file is the last resort for system boot. You can download it in the Boot
ROM menu and must name it secure.bin. However, you cannot modify this file or
change the type of another file to S. If you change the name of the secure boot file
with the rename command after the system boots, the file is removed from Flash
memory. To use the secure boot file after that, you need to download it again.
The name (including the extension) assigned to a boot file is recommended to be
less than 16 characters.
Select <3> in Boot Menu. The console screen displays the following menu, provided
four application image files have existed in Flash memory:
M=MAI N B=BACKUP S=SECURE
**************************************************************************
NO. Name Si ze Type Ti me
1 mai n. bi n 5988025 M Oct / 10/ 2002 10: 10: 10
2 backup. bi n 5985198 B Oct / 10/ 2002 10: 10: 10
3 a. bi n 987491 N/ A Oct / 10/ 2002 10: 10: 10
4 secur e. bi n 5988022 S Oct / 10/ 2002 10: 10: 10
**************************************************************************
5 Exi t t o mai n menu
Ent er your choi ce( 1- 5) : 3
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Thus, empty configuration applies at reboot. The system removes the Ignore flag after
its boot completes.
In case you forget the password, you may select this option to have the router boot with
the configuration file ignored. After accessing the system, you may change or deletethe password. Note that if not saved, the modified configuration cannot survive a reboot.
To have the router reboot with the new configuration, you must perform the save
operation after completing configuration.
8) Enter debugging environment in case of faults.
9) Enter the Boot ROM operation menu.
Select <9> to enter Boot ROM Download Menu as follows for upgrade, backup, or
recovery:
Boot ROM Downl oad Menu:
1: Downl oad Boot ROM wi t h XModem 2: Downl oad Ext ended Segment of Boot ROM wi t h XModem
3: Rest ore Extended Segment of Boot ROM f r om FLASH
4: Backup Ext ended Segment of Boot ROM t o FLASH
5: Exi t t o Mai n Menu
Ent er your choi ce( 1- 5) :
10) a: Ignore software version check for backward compatibility. The likelihood exists
that your upgrade attempt fails even when you select the correct software version.
If the system prompts “invalid version” in this case, you can select <a> from Main
Menu to have the system skip version check during upgrade. This, however,
works only once; the system checks software version all the same at reboot.
11) Select <b> to exit and reboot the router.
Note:
To enter Boot Menu, you must press <Ctrl+B> within three seconds after the
information “Press Ctrl-B to enter Boot Menu...” appears. Otherwise, the system starts
decompressing images. To re-enter the menu after that, you must reboot the router.
II. Upgrading Software through XMODEM
When upgrading software through XMODEM, you can directly use the console port
without building up another configuration environment.
1) Upgrading the application image
Step 1: Enter Boot Menu (refer back to the subsection “Boot Menu” in this section),
press <1> to select the XMODEM protocol for downloading the application image. The
following download speeds are available with the router:
Pl ease choose your downl oad speed:
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1: 9600 bps
2: 19200 bps
3: 38400 bps
4: 57600 bps
5: 115200 bps
6: Exi t and reboot
Ent er your choi ce( 1- 6) :
Step 2: Select an appropriate download speed, <5> for 115200 bps for example. The
console screen displays:
Downl oad speed i s 115200 bps. Change t he termi nal ' s speed to 115200 bps, and
sel ect XModemprotocol . Press ENTER key when ready.
Step 3: Change the baud rate on the console terminal (see Figure 5-4) to the software
download speed, 115200 bps in this example. After that, select [Dial-in/Disconnect] andthen [Dial-in/Dialing] to disconnect and reconnect the terminal. Press <Enter> to start
downloading. The console screen displays:
Pl ease Sel ect Progr am Fi l e
Downl oadi ng . . . CCCCC
Note:
To validate the new baud rate set on the console terminal, you must disconnect and
then reconnect the terminal emulation program.
Step 4: Select [Transfer/Send file…] in the HyperTerminal window. The following
window pops up:
Figure 6-2 Send File dialog box
Step 5: In the displayed Send file dialog box, click <Browse…> to select the application
image file to be downloaded, and select XMODEM for the Protocol field. Then click
<Send>. The following interface appears:
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Figure 6-3 Sending File interface
Step 6: After completing download, the system begins writing to Flash memory and
upon its completion outputs the following information:
Downl oad compl et ed.
For an AR 28 series router, the system also prompts you to select file type upon
completion of downloading.
pl ease sel ect f i l e to be saved as
1. mai n appl i cat i on f i l e
2. backup appl i cat i on fi l e
3. secure appl i cat i on f i l e
4. cancel downl oadi ng
Ent er your choi ce( 1- 4) :
The system starts writing to Flash memory after you enter your choice and displays:
Wr i t i ng t o f l ash memor y. . .
Pl ease wai t , i t needs a l ong t i me . Pl ease wai t . . .
########################################################
Wr i t i ng FLASH Success.
Pl ease use 9600 bps. Press <ENTER> key t o r eboot t he syst em.
Restore the baud rate of the console terminal to 9600 bps as prompted, disconnect the
terminal and dial again. Then, you can see the system boot banner.
2) Upgrading the entire Boot ROM image
Step 1: Enter Boot Menu, and select <9> to enter Boot ROM Download Menu as
follows:
Boot ROM Downl oad Menu:
1: Downl oad Boot ROM wi t h XModem
2: Downl oad Ext ended Segment of Boot ROM wi t h XModem
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3: Rest ore Extended Segment of Boot ROM f r om FLASH
4: Backup Ext ended Segment of Boot ROM t o FLASH
5: Exi t t o Mai n Menu
Ent er your choi ce( 1- 5) :
Step 2: Select <1> in Boot ROM Download Menu to download the Boot ROM image
through XMODEM. Multiple download speeds are available. The subsequent steps are
the same as those described in the item “Upgrading the application image” in this
subsection.
Caution:
You are recommended to upgrade the entire Boot ROM program only when necessary
and with the guide of technical staff, because no means is available for on-field
recovery in case of an upgrade failure.
3) Upgrading the extended segment of the Boot ROM image
Step 1: Enter Boot Menu, select <9> to enter Boot ROM Download Menu.
Step 2: Select <2> in the menu to upgrade the extended segment of the Boot ROM
image through XMODEM. Multiple speed options are available. The subsequent steps
are the same as those described in the item “Upgrading the application image” in this
subsection.
Caution:
This upgrade approach upgrades only a portion of the Boot ROM image, so you can
make a second attempt once errors occur.
III. Backing up and resto ring the extended segment of the Boot ROM image
1) Back up the extended segment of the Boot ROM image to Flash memory
Step 1: Enter Boot Menu, select <9> to enter Boot ROM Download Menu.
Step 2: In Boot ROM Download Menu, select <4> to copy the current extended
segment to Flash memory.
Backup Extended Segment, are you sure?[ Y/ N]
Enter <Y>. For a successful backup, the console screen displays:
Wr i t i ng t o FLASH. Pl ease wai t . . . ####
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Backupi ng Boot ROM program t o FLASH successed!
Step 3: When Boot ROM Download Menu appears again, select <5> to and reboot the
router.
2) Restore the extended segment of the Boot ROM image from Flash memory
In case faults occur to the extended segment or the upgrade is done inadvertent, take
these steps to restore the extended segment of the Boot ROM image from Flash
memory to the Boot ROM:
Step 1: Enter Boot Menu, select <9> to enter Boot ROM Download Menu.
Step 2: In Boot ROM Download Menu, select <3> to restore the extended segment
from Flash memory.
Rest ore Ext ended Segment , are you sure?[ Y/ N]
Enter <Y>. The system starts restoring and if successful displays:Wr i t i ng t o Boot ROM. Pl ease wai t . . . ######
Rest ori ng Boot ROM progr amsuccessed!
Step 3: When Boot ROM Download Menu appears again, select <5> to exit and reboot
the router.
IV. Upgrading the application image through Ethernet
Upgrading the application image through Ethernet (or with NET as described in Boot
Menu) is to download using an Ethernet interface. In this approach, the router is TFTP
or FTP Client and needs connecting to TFTP or FTP Server using a particular Ethernetinterface. On the AR 28-09/28-10/28-11/28-12/28-13/28-14/28-30/28-31, this interface
must be Ethernet 0/0, the first fixed Ethernet interface. On the AR 28-40/28-80, this
interface is the first detected Ethernet interface, for example, Ethernet 1/0, the first
Ethernet interface in SLOT 1 in case no Ethernet interface module is installed in SLOT
0.
Caution:
No TFTP/FTP Server is available with the AR 28 series. You must install one yourself.
1) Start TFTP or FTP Server on the PC connected to the Ethernet interface on the
router and set the path for getting the source file. Given FTP Server, you need to
set user name and password in addition.
2) In Boot Menu, select <2> to enter Net Port Download Menu as follows:
Net Por t Downl oad Menu:
1: Change Net Paramet er
2: Downl oad Fr om Net
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3: Exi t t o Mai n Menu
Ent er your choi ce( 1- 3) : 1
3) In Net Port Download Menu, select <1> for example to change the download
parameters as follows:
Change Boot Paramet er :
' . ' = cl ear f i el d; ' - ' = go t o pr evi ous f i el d; D̂ = qui t
boot devi ce : f ei 0
processor number : 0
host name : 8040
f i l e name : M8240r am. ar j
i net on et hernet ( e) : 169. 254. 10. 10
i net on backpl ane ( b) :
host i net ( h) : 169. 254. 10. 11
gat eway i net ( g) :user ( u) : 8040
f t p password ( pw) ( bl ank = use rsh) :
f l ags ( f ) : 0x0
t ar get name ( t n) :
start up scr i pt (s) :
other ( o) :
When upgrading with TFTP, set these parameters:
file name: Name of the file to be downloaded
inet on ethernet (e): IP address of the Ethernet interface for downloading
host inet (h): IP address of TFTP Server
flags (f): 0x80
target name (tn): Name for the file to be saved on Flash memory. If no name is provided,
the one used for the last upgrade is used. If the file name already exists, the following
message appears after the file is downloaded asking whether you need to overwrite the
original file:
Loadi ng. . . done
11162108 byt es downl oaded.
f l ash: / mai n. bi n al r eady exi st.
Over wri t e i t ?(Y/ N) :
Enter <Y> to overwrite the original file or <N> to return to the Net Port Download Menu.
When upgrading with FTP, set these parameters:
file name: Name of the file to be downloaded
inet on ethernet (e): IP address of the Ethernet interface for downloading
host inet (h): IP address of FTP Server
user (u): User name, same as the one configured at FTP Server.
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ftp password (pw) (blank = use rsh): Password, which must be consistent with that at
FTP Server
flags (f): 0x0
target name (tn): Name for the file to be saved on Flash memory. If no name is provided,the one used for the last upgrade is used. If the file name already exists, the following
message appears after the file is downloaded asking whether you need to overwrite the
original file:
Loadi ng. . . done
11162108 byt es downl oaded.
f l ash: / mai n. bi n al r eady exi st.
Over wri t e i t ?(Y/ N) :
Enter <Y> to overwrite the original file or <N> to return to the Net Port Download Menu.
After you configure these parameters, the system saves them automatically.
4) Press <Enter> to return to Net Port Download Menu, and there select <2>. The
console screen displays:
boot devi ce : f ei
uni t number : 0
processor number : 0
host name : 8040
f i l e name : Q8040. BI N
i net on et her net ( e) : 10. 110. 27. 235
host i net ( h) : 10. 110. 27. 231user ( u) : 8040
f t p password ( pw) : 8040
f l ags ( f ) : 0x80
At t ached TCP/ I P i nt er f ace t o f ei 0.
Subnet Mask: 0xf f f f f 800
At t achi ng net wor k i nt er f ace l o0. . . done.
Loadi ng. . .
NET downl oad compl et ed. . .
r ead l en = [ 04378489]
Pl ease wai t , i t needs a l ong ti me
##########################################################################
##############################################################
###########################
Wr i t i ng Vr psof t ware Fi l e Succeeds!
Press <Enter> to reboot the system.
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Figure 6-4 Open the chassis cover (A)
(1)
(2)
(3)
1) Chassis bottom 2) Chassis cover 3) Fastening screw
Figure 6-5 Open the chassis cover (B)
II. Opening the chassis cover of o ther routers
Follow these steps to open the chassis cover:
Step 1: Turn off the power switch of the router and remove the power cord.
Step 2: Remove all interface cables but the grounding wire from the rear panel.
Step 3: Place the router on a flat surface, with its rear panel forward. Use the Phillips
screwdriver to remove the four fastening screws from the rear panel.
Step 4: Raise the chassis cover until its front edge is separated from the chassis bottom
completely.
Step 5: Pull the chassis cover towards you until the tab on the back edge is disengaged
from the front panel, and put away the cover.
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(1)
(2)
(3)
1) Chassis cover 2) Chassis bottom 3) Fastening screw
Figure 6-6 Open the chassis cover
Caution:
On a mounting screw of your router chassis, there is an anti-dismantle seal of
Huawei Technologies. You must keep it in good condition when asking your sales
agent for servicing. You can open the chassis yourself but with permission of your
sales agent and must operate following the related rules. The company is not liable
for any damage or consequence resulted from users' operation without permission.
Do not replace the hardware unless necessary and under the guidance of technical
staff.
Ensure that no electricity is present before servicing the device to avoid bodily
injuries and device damage.
Wear an ESD-preventive wrist strap when servicing the device, making sure it has
good skin-contact.
Use the SDRAMs provided by Huawei Technologies only. Otherwise, anomalies
might occur to the device.
6.2.3 Replacing the SDRAM
The storage media available with the router include:
SDRAM: where the host program is running.
Flash memory: stores the application and configuration files.
Boot ROM: stores the Boot ROM program.
Hardware maintenance mainly involves SDRAM.
Follow this procedure to replace the SDRAM:
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Start
Prepare tools
Open chassis cover
Remove SDRAM card
Install newSDRAM card
Close chassis cover
End
Check SDRAM
card position
Figure 6-7 SDRAM card replacement process
SDRAMs are main board components that you can expand or upgrade as needed.
Generally, you need to do that in the following situations:
More memory is required for the upgraded application image, maintaining a large
routing table, or processing memory-consuming tasks.
The existing SDRAM is damaged.
You can see this banner at boot:
Rout er start s boot i ng . . . ( V2. 00)
***********************************************
* ** Qui dway Ser i es Router s Boot ROM, V9. 13 *
* *
***********************************************
Copyr i ght ( c) 1998- 2005 by HUAWEI Technol ogi es CO. , LTD.
Test i ng memory. . . OK!
128M byt es DDR SDRAM
32768K byt es f l ash memor y
Hardware Versi on i s MTR 1. 1
CPLD Ver si on i s CPLD 3. 0
Press Ct r l - B t o enter Boot Menu
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Figure 6-9 Position of the SDRAM on the AR 28-30/28-31/28-40/28-80
To ensure you can install the SDRAM correctly, there are two clips In the SDRAM slot
matching two concave points in the SDRAM card.
II. Replacing the SDRAM
Step 1: Locate the position of the SDRAM card on the main board.
Step 2: Press the locking spring clips at both sides of the SDRAM slot outward with
appropriate strength to unseat the SDRAM.
Figure 6-10 Remove/install the SDRAM
Step 3: Hold the SDRAM by its edges with your thumb and index finger and pull it outfrom the slot. Put the SDRAM into an anti-static bag to avoid ESD damage.
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Caution:
Hold the SDRAM by its edge and avoid touching the components on its surface. An
improper operation might result in damage.
It is normal that you feel hard when removing the SDRAM, but do not overexert.
Do not touch the components on the surface of the SDRAM with the bare hands.
III. Installing the SDRAM
Step 1: Locate the position of the SDRAM slot.
Step 2: Take out a new SDRAM. Hold the SDRAM by its top edge and put it into the
SDRAM slot in correct orientation.
Step 3: Press the SDRAM down into the slot with appropriate pressure, and close the
locking spring clips at both sides of the slot until the pins at both ends of the clip snap
into the notches at both sides of the SDRAM.
Follow the same procedure to install another SDRAM card, if there is any.
6.2.4 Closing the Chassis Cover
Caution:
Roll up all the cables inside the router and put them into the chassis before closing the
chassis cover, preventing them from being pressed or cut off.
Step 1: Place the router on a flat surface, with its rear panel forward.
Step 2: Align the tabs on one edge of the cover to the bottom edge of the chassis.
Step 3: Push the cover towards you until the tabs engage with the front panel of the
chassis.
Step 4: Put the whole cover onto the router base, until the tabs on the side edges of the
cover engage with the side panels of the chassis bottom.
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(1)
(2)
(3)
1) Chassis bottom 2) Chassis cover 3) Captive screw
Figure 6-11 Close the chassis cover
Step 5: Secure the chassis cover to the router base with the captive screw.
6.2.5 Replacing the Interface Cards and Modules
Refer to Low-End and Mid-Range Series Routers Interface Card and Interface Module
Manual.
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Chapter 7 Troubleshooting
7.1 Troubleshoot ing the Power System
Symptom:
The RUN LED on the PSU is OFF or blinking.
Solution:
Check that:
The power switch on the router is turned on.
The switch of the power source is turned on.
The power cord is correctly connected.
The power source meets the requirement of the router.
Caution:
Do not hot swap the power cord. If the POWER LED is still OFF after all these items are
checked, contact your agent for help.
7.2 Troubleshoot ing the Console Terminal
If the router passes POST after powered up, the console screen displays the startup
banner; if faults occur to the configuration system, the console screen displays nothing
or only illegible characters.
Symptom 1:
After the router is powered on, the console screen displays nothing.
Solution: Step 1: Check that:
The power system is normal.
The console cable is correctly connected.
Step 2: Check the console cable and the terminal (HyperTerminal for example) settings.
Symptom 2:
After the router is powered on, the console screen displays illegible characters.
Solution:
Verify that the terminal settings are as follows:
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Baud: 9600
Data bits: 8
Stop bit: 1
Parity: None
Flow control: None
Terminal emulation: VT100
Reconfigure the parameters if their values are different.
7.3 Troubleshooting SDRAM
I. Troubleshooting of “ nothing being displayed on the terminal”
Symptom:
After the POST of the router, despite the normal power system (the POWER LED is ON)
and proper connection of the console cable, there is no display on the console terminal.
Solution:
If the user is sure that the power system and configuration system have no faults,
please contact the agent of Huawei Technologies Co., Ltd. With his consent, open the
chassis to check whether the SDRAM has become loose. If that is the case, you may
remove and reinstall the SDRAM. For the operation method, please refer to Section 6.2
“Hardware Maintenance” in this manual.
II. Troubleshoot ing o f repeated reboot
Symptom:
After the information “Now testing memory...” appears, the system restarts
repeatedly. Or,
After displaying the information “System now is Starting ...”, the system restarts
repeatedly, and sometimes gives a prompt message “Copied program error.”
Solution:
Generally, such faults are caused by the damage to SDRAM. If the SDRAM is seriously
damaged, the problem will be found while testing the memory, and the system will
reboot. If the SDRAM is slightly damaged, the problem will be found during the process
of system starting, and the system will reboot, giving the prompt message “Copied
program error”.
Normally, the symptom is present when the SDRAM is damaged. If the damage is
serious, the router can find it when testing memory and reboot as the result. If the
damage is not serious, the router can find
If the SDRAM is damaged, replace it with a new one (before opening the chassis,
contact your agent for permission). For the replacing procedure, refer to Section 6.2
“Maintain the Hardware” in this manual.
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7.4 Troubleshooting Application Software Upgrade
Symptom:
When upgrading the VRP software using the TFTP approach, the system displays the
following message:
St ar t i ng t he TFTP downl oad. . .
Then the router reboots automatically.
Perform the display version command; then you can see that software verison does
not upgrade.
Solution:
The symptom described above means that the new software version does not load.
Do the following:
Check the TFTP server to see whether information can be sent. If not, the problem
is likely to result from an incorrectly-configured TFTP server IP address. In this
case, make sure that IP address of the TFTP server is the IP address of the
network interface on the PC, to which the Ethernet interface is connected. (For the
procedure of selecting an Ethernet interface for TFTP upgrade on AR 28 Series
Routers, refer to section 6.1.2 IV. “Upgrading the application image through
Ethernet.”)
To check the IP address of a PC in a Windows environment, do the following:
In Windows 95/98/ME environment, perform the winipcfg command.
In Windows 2000/XP/2003 environment, perform the ipconfig command.
If Windows prompts IP address conflict, it is very likely that the IP address of the
TFTP server was incorrectly assigned to the upgrading Ethernet interface on the
Router.
Check the TFTP server. If it prompts a file locating failure, check whether the path
set on the TFTP server and the file name (including the extension) of the
application software set on the router are correct.
Upgrade the application software again after solving the problem.
Symptom:
When upgrading the VRP software using the TFTP approach, and the system displays
the following message:
Loadi ng. . .
NET downl oad compl et ed. . .
r ead l en = [ 05567609]
The downl oaded sof t ware i s not a val i d ver si on.
Pl ease downl oad t he cor r ect ver si on.
Pr ess <Enter> key when r eady.
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Solution:
AR 28 Series Routers should be loaded with different application software versions.
The problem described above is likely to result from a mismatch between the
application software version and the router model. In this case, contact your agent toobtain the correct software version and upgrade it again.
If the improper software has been loaded, the Router cannot start or work correctly. In
this case, select Xmodem or TFTP mode in the boot menu to restore/upgrade the
software version (FTP upgrade mode cannot be used here).
If similar symptoms present when upgrading the software with other approaches, solve
the problem with reference to this example.
Note:
The bar code labeled on the Router host and the MIM contains the relevant
manufacturing and maintenance information. If you want to repair the device, inform
your agent of the bar code on the problem device.