Related Manuals for Huawei Quidway AR 28 Series
Summary of Contents for Huawei Quidway AR 28 Series
- Page 1 HUAWEI Quidway AR 28 Series Routers Installation Manual H uaw ei Technol ogi es Pr opr i et ary...
- Page 2 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.
- Page 3 Copyright © 2005 Huawei Technologies Co., Ltd. All 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,...
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Page 4: About This 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. Huawei Technologies Proprietary... - Page 5 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.
- Page 6 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. Huawei Technologies Proprietary...
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Page 7: Table Of Contents
Quidway AR 28 Series Routers Installation Manual Table of Contents 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.................... - Page 8 Quidway AR 28 Series Routers Installation Manual Table of Contents 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......................
- Page 9 Quidway AR 28 Series Routers Installation Manual Table of Contents 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 Huawei Technologies Proprietary...
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Page 10: Chapter 1 Overview
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. - Page 11 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...
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Page 12: Slots
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... - Page 13 MIM slots. AR 28 Series Routers can fully meet clients’ needs for function extension to router. 1.3.1 MIM Quidway AR 28 Series Routers support these types of MIM modules: Ethernet interface modules 1-port 10Base-T/100Base-TX Fast Ethernet interface module (1FE)
- Page 14 Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview 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)
- Page 15 Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview 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)
- Page 16 Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview 2-port voice AT0 analog trunk interface module (2FXO) 4-port voice AT0 analog trunk interface module (4FXO) 2-port voice E&M analog trunk interface module (2E&M) 4-port voice E&M analog trunk interface module (4E&M)
- Page 17 Quidway AR 28 Series Routers Installation Manual Chapter 1 Overview 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)
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Page 18: Chapter 2 System Specifications
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Chapter 2 System Specifications 2.1 AR 28-09 2.1.1 Appearance 1) SLOT0 2) SLOT1 3) SLOT2 4) SERIAL 5) ETHERNET 6)SYSTEM 7) POWER Figure 2-1 Front view of Quidway AR 28-09 Router... -
Page 19: System Description
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Table 2-1 LEDs of the AR 28-09 Description MIM LED. OFF means no interface module is present or the module has SLOT1 failed. ON means the interface module is functioning normally. -
Page 20: Ar 28-10/28-11
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Item Description Boot ROM 512 KB SDRAM 128 MB Flash memory 32 MB Rated voltage: 100 VAC to 240 VAC; 50 Hz to 60 Hz Input Maximum tolerance: 90 VAC to 264 VAC; 47 Hz to 63 Hz Power Input current: 0.5 A to 1 A... - Page 21 Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 1) POWER 2) SYSTEM 3) SLOT1 4) SLOT2 5) SLOT3 6) WAN 7) LAN0 8) LAN1 Figure 2-4 Front view of the AR 28-11 1) Power switch 2) Power socket...
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Page 22: Panel Leds
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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 Description Power LED. -
Page 23: System Description
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 2.2.3 System Description Table 2-4 System description of the AR 28-10/28-11 Item AR 28-10 AR 28-11 1 MIM slot Slot 2 SIC slots 1 x 10/100 Mbps Ethernet 2 x 10/100 Mbps Ethernet... -
Page 24: Ar 28-12/28-13/28-14
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 2.3 AR 28-12/28-13/28-14 2.3.1 Appearance 1) POWER 2) SYSTEM 3) SLOT1 4) SLOT2 5) SLOT3 6) LAN0 7) LAN1 Figure 2-7 Front view of the AR 28-12/28-13/28-14 (10) (11) -
Page 25: Panel Leds
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 1) SIC slot 3 2) SIC slot 2 3) Power switch 4) Power socket 5) Grounding screw 6) Fixed T1 interface (CT1) 7) Console port (CON) 8) Auxiliary port (AUX) - Page 26 Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Description Fixed Ethernet interface 0 LED. This LED displays data transmission/receiving status on the fixed Ethernet interface. LAN0 OFF means no data is being transmitted or received. Blinking means data is being transmitted and/or received.
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Page 27: System Description
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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 1 MIM slot Slot 2 SIC slots 2 x 10/100 Mbps... -
Page 28: Ar 28-30/28-31
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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. -
Page 29: Panel Leds
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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... -
Page 30: System Description
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 2.4.3 System Description Table 2-10 System description of the AR 28-30/28-31 Item AR 28-30 AR 28-31 1 AUX port 1 AUX port 1 console port Fixed interface 1 console port... -
Page 31: Ar 28-40
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 2.5 AR 28-40 2.5.1 Appearance (3) (4) (5) 1) Power LED (POWER) 2) System LED (SYSTEM) 3) AUX port (AUX) 4) Console port (CON) 5) SLOT 0 – 3 LEDs (READY/ACTIVE) -
Page 32: System Description
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Description Module status LED. ON means the module in corresponding slot runs normally. READY OFF means the module is malfunctioning or no module is present. Activity LED. ACTIVE Blinking means data is being transmitted and/or received. -
Page 33: Ar 28-80
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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. -
Page 34: Panel Leds
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications 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 Description Power LED. -
Page 35: Differences Between Ar 28 Series Routers
Quidway AR 28 Series Routers Installation Manual Chapter 2 System Specifications Item Description Operation temperature 0°C to 40°C (32°F to 104°F) Relative humidity 5% to 90% (noncondensing) Note: SDRAM (synchronous dynamic random-access memory): As the primary memory, stores data for communication with CPU during system operation. -
Page 36: Chapter 3 Installation Preparation
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: Huawei Technologies Proprietary... -
Page 37: Requirements On Electrostatic Discharge Prevention
Quidway AR 28 Series Routers Installation Manual Chapter 3 Installation Preparation Table 3-2 Limitation on dust content in equipment room Diameter (μm) Concentration 1.4 × 10 7 × 10 2.4 × 10 1.3 × 10 (particle/m³) Besides the dust specifications, the equipment room of the Router should also meet the rigorous requirements for the content of salt, acid and sulfide. -
Page 38: Requirements On Electromagnetic Environment
Quidway AR 28 Series Routers Installation Manual Chapter 3 Installation Preparation 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.). -
Page 39: Precautions
Quidway AR 28 Series Routers Installation Manual Chapter 3 Installation Preparation 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. - Page 40 Quidway AR 28 Series Routers Installation Manual Chapter 3 Installation Preparation 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...
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Page 41: Chapter 4 Installation Of The Router
Power off Power off and disconnect the power cord Install MIM Connect Router to Ethernet Connect Router to WAN Connect Router to voice device Check Connect power cord/power on Figure 4-1 Quidway AR 28 Series Router installation process Huawei Technologies Proprietary... -
Page 42: Installing The Router
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... -
Page 43: Installing Mim Modules
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Router model Dimensions 44.4 x 442 x 413 mm (1.7 x 17.4 x 12.4 AR 28-40 Router (H x W x D) in.) 88.2 x 442 x 413 mm (3.5 x 17.4 x 16.3 AR 28-80 Router (H x W x D) in.) -
Page 44: Connecting The Power Cord
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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). -
Page 45: Power Input And
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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... -
Page 46: Connecting The Dc-Input Power Cord
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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. - Page 47 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
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Page 48: Connecting The Console Terminal
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Warning: To avoid wrong connection, carefully read the label on the DC-input power cord before making connection. Place the power switch of the router to the ON position. -
Page 49: Connecting The Router To A Lan
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. - Page 50 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
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Page 51: Connecting Router To The Wan
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). -
Page 52: Connecting Wan Interface To Dsu/Csu
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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. - Page 53 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Description Attribute Synchronous Asynchronous V.24 (RS232) DTE cable V.24 (RS232) DCE cable V.35 DTE cable V.35 DCE cable X.21 DTE cable Matching cable X.21 DCE cable RS449 DTE cable...
- Page 54 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Description Attribute Synchronous Asynchronous Modem dialup DDN leased line backup Backup Service Terminal access Asynchronous lease line Backup terminal access LAPB Protocol SLIP HDLC X.25 Frame Relay...
- Page 55 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
- Page 56 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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...
- Page 57 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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...
- Page 58 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Figure 4-18 V.35 DTE cable V.35 DCE cable assembly Figure 4-19 V.35 DCE cable X.21 DTE cable Figure 4-20 X.21 DTE cable X.21 DCE cable Figure 4-21 X.21 DCE cable...
- Page 59 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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...
- Page 60 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
- Page 61 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router Attribute Description E1 75-ohm unbalanced coaxial cable E1 120-ohm balanced coaxial cable Matching cable Coaxial connector, network interface connector, 75–120-ohm adapter (with BNC connector) Operating mode E1, CE1, ISDN PRI...
- Page 62 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
- Page 63 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
- Page 64 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
- Page 65 Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router 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.
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Page 66: Connecting Router To A Voice Device
Quidway AR 28 Series Routers Installation Manual Chapter 4 Installation of the Router If not, you need to extend the T1 interface cable with a network connector assembly as shown in the following figure: T1 interface Netwrok connector cable accembly... -
Page 67: Chapter 5 Startup And Configuration Of The Router
Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router 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. - Page 68 Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router Figure 5-2 New connection Step 2: Setting terminal parameters Follow these steps to set the parameters of the Hyper Terminal in Windows98: Select a connection port.
- Page 69 Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router 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.
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Page 70: Powering On The Router
Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router 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. -
Page 71: Startup Process
Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router Turn on the power switch on the router. III. Checking/operating after power-on After powering on the router, check that: The LEDs on the front panel show that the router is operating normally. For description on LED behaviors, refer to Chapter 2 “System Specifications.”... -
Page 72: Configuration Fundamentals Of The Router
Quidway AR 28 Series Routers Installation Manual Chapter 5 Startup and Configuration of the Router 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)”... -
Page 73: Command Line Interface
5.2.2 Command Line Interface I. Characteristics of the command line interface The command line interface of Quidway AR 28 Series Routers provides a number of configuration 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. -
Page 74: Chapter 6 Router Maintenance
Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Chapter 6 Router Maintenance 6.1 Software Maintenance 6.1.1 Introduction The Router manages three types of files: Boot ROM image file used for booting the application at boot Application image file (main software) -
Page 75: Software Maintenance Under Vrp3.X Environment
Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 6.1.2 Software Maintenance under VRP3.X Environment Start Check Boot ROM and VRP versions Upgrade Boot ROM? Choose correct Boot ROM Upgrade Upgrade VRP? Choose correct VRP Choose upgrade mode... - Page 76 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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.
- Page 77 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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.
- Page 78 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance In this menu select <3> for example to change the file type of a.bin. The console screen displays: Set this file as: Main Backup Exit Enter your choice(1-3): To use a.bin as the main boot file, select <1> in this menu. Upon validation of the setting, the file type of the original main boot file changes to N/A.
- Page 79 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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.
- Page 80 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 1: 9600 bps 2: 19200 bps 3: 38400 bps 4: 57600 bps 5: 115200 bps 6: Exit and reboot Enter your choice(1-6): Step 2: Select an appropriate download speed, <5> for 115200 bps for example. The console screen displays: Download speed is 115200 bps.
- Page 81 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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: Download completed. For an AR 28 series router, the system also prompts you to select file type upon completion of downloading.
- Page 82 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Restore Extended Segment of Boot ROM from FLASH Backup Extended Segment of Boot ROM to FLASH Exit to Main Menu Enter your choice(1-5): Step 2: Select <1> in Boot ROM Download Menu to download the Boot ROM image through XMODEM.
- Page 83 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Backuping Boot ROM program to FLASH successed! Step 3: When Boot ROM Download Menu appears again, select <5> to and reboot the router. Restore the extended segment of the Boot ROM image from Flash memory...
- Page 84 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Exit to Main Menu Enter your choice(1-3):1 In Net Port Download Menu, select <1> for example to change the download parameters as follows: Change Boot Parameter: '.' = clear field;...
- Page 85 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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.
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Page 86: Hardware Maintenance
ESD-preventive wrist strap Static shielding bag Note: No installation tools were provided with the Quidway AR 28 Series Routers. You must prepare them yourself. 6.2.2 Opening the Chassis Cover The AR 28-09 is a desk-top router; its chassis cover is different from those of other routers. - Page 87 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Figure 6-4 Open the chassis cover (A) （ 2 ） （ 3 ） （ 1 ） 1) Chassis bottom 2) Chassis cover 3) Fastening screw Figure 6-5 Open the chassis cover (B) II.
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Page 88: Replacing The Sdram
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. - Page 89 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Start Prepare tools Open chassis cover Check SDRAM card position Remove SDRAM card Install new SDRAM card Close chassis cover Figure 6-7 SDRAM card replacement process SDRAMs are main board components that you can expand or upgrade as needed.
- Page 90 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance Where, “128M bytes DDR SDRAM” means that the router is installed with a 128 MB DDR SDRAM. Note: There is a limit on the times that you can install the SDRAM.
- Page 91 Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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.
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Page 92: Closing The Chassis Cover
Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance 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. -
Page 93: Replacing The Interface Cards And Modules
Quidway AR 28 Series Routers Installation Manual Chapter 6 Router Maintenance （ 2 ） （ 3 ） （ 1 ） 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. -
Page 94: Chapter 7 Troubleshooting
Quidway AR 28 Series Routers Installation Manual Chapter 7 Troubleshooting Chapter 7 Troubleshooting 7.1 Troubleshooting 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. -
Page 95: Troubleshooting Sdram
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. -
Page 96: Troubleshooting Application Software Upgrade
Quidway AR 28 Series Routers Installation Manual Chapter 7 Troubleshooting 7.4 Troubleshooting Application Software Upgrade Symptom: When upgrading the VRP software using the TFTP approach, the system displays the following message: Starting the TFTP download... Then the router reboots automatically. - Page 97 Quidway AR 28 Series Routers Installation Manual Chapter 7 Troubleshooting 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 to obtain the correct software version and upgrade it again.