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Quidway AR 28 Series Routers Installation Manual

Chapter 7 Troubleshooting

Huawei Technologies Proprietary

7-1

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.

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 Troubleshooting 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:

Содержание Quidway AR 28 Series

Страница 1: ...HuaweiTechnol ogi es Pr opr i et ary HUAWEI Quidway AR 28 Series Routers Installation Manual ...

Страница 2: ...urchase 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 Technologies Co Ltd Address Administration Building Huawei Technologies Co Ltd Bantian Longgang District Shenzhen P R China Postal...

Страница 3: ...bridge Tellwin Inmedia VRP DOPRA iTELLIN HUAWEI OptiX C C08iNET 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 p...

Страница 4: ...s organized into the parts of overview system management interface link layer protocol network protocol routing protocol multicast security VPN reliability QoS and dial up In addition it provides you with a general command index for the whole manual Low End and Mid Range Series Routers Interface Card and Interface Module Manual The manual introduces the pinouts of all the SICs and MIMs that can be...

Страница 5: ... 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...

Страница 6: ...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 the two 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 carefu...

Страница 7: ...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 b...

Страница 8: ...erminal 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 ...

Страница 9: ...able of Contents Huawei Technologies Proprietary 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 ...

Страница 10: ...es 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 The...

Страница 11: ...erface the router can work as a small Internet access server z 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 multiple forms of Ethernet interfaces such as optical electrical interface 10 100 1000Mbps interface Thereby the networking ca...

Страница 12: ...ting an MPLS domain to a non MPLS domain or connecting MPLS domains of different service providers VII Data security z Supports ID authentication protocols including PAP Password Authentication Protocol CHAP Challenge Handshake Authentication Protocol RADIUS Remote Authentication Dial in User Service TACACS z Implements firewall to prevent invasions from external networks z Supports VPN Virtual Pr...

Страница 13: ...r and AR 28 12 match DB 28 connector The fixed WAN interface for the AR 28 13 is CE1 PRI and that for the AR 28 14 is CT1 PRI 1 3 MIM and SIC AR 28 09 28 10 28 11 28 12 28 13 28 14 provides two SIC slots and one MIM slot AR 28 30 provides three MIM slots AR 28 40 provides four MIM slots AR 28 80 provides eight MIM slots AR 28 Series Routers can fully meet clients needs for function extension to ro...

Страница 14: ...SAE 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 mode...

Страница 15: ...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...

Страница 16: ...with these modules 4SA 4BS 1ATM OC3MM 1ATM OC3SM 1ATM OC3SML 1POS and 1CPOS 1 3 2 SIC The AR 28 09 28 10 28 11 28 12 28 13 28 14 is available with these SIC cards z Ethernet interface cards 1 port 10Base T 100Base TX Ethernet interface card SIC 1FEA 1 port 10Base T Ethernet interface card SIC 1ETH z WAN interface cards 1 port multiprotocol synchronous asynchronous interface card SIC 1SA 1 port enh...

Страница 17: ...ters Interface Card and Interface Module Manual Note z 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 z The AR 28 10 supports only one SIC 1FEA SIC 1ETH card z Interface cards and modules may be available with multiple versions as the result of hardware upgrade To identify the version of a ca...

Страница 18: ... 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...

Страница 19: ...ssion receiving status on the serial interface 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 fixed Ethernet interface OFF means no data is being transmitted or received Blinking means data is being transmitted and or received SYSTEM Hardwar...

Страница 20: ... 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 informatio...

Страница 21: ...socket 3 Grounding screw 4 Fixed interface WAN 5 Console port CON 6 Auxiliary port AUX 7 Fixed Ethernet interface LAN 8 MIM slot 1 9 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 sl...

Страница 22: ... 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 WAN Fixed synchronous asynchronous serial interface LED This LED displays data transmission receiving status on the serial interface OFF means no data is being transmitted or received Blinking means data is being transmitted and...

Страница 23: ... 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 AC Rated voltage 100 VAC to 240 VAC 50 Hz to 60 Hz Maximum tolerance 85 VAC to 264 VAC 47 Hz to 63 Hz Input voltage DC Rated voltage 48 VDC to 60 VDC Maximum tolerance 40 VDC to 75 VDC Max power 60 W Operating temperature 0 C to 40 C 32 F to 104 F Relative humid...

Страница 24: ...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 2 3 Power switch 4 Power socket 5 Grounding screw 6 Fixed E1 interface CE1 7 Conversion switch for E1 interface impedance 8 Con...

Страница 25: ...ed in the following table Table 2 5 LEDs on the front panel of the AR 28 12 28 13 28 14 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 SLOT1 MIM LED OFF means no interface module is present or the module has failed ON means the...

Страница 26: ... no data is being transmitted or received Blinking means data is being transmitted and or received Table 2 6 LEDs on the rear panel of the AR 28 12 28 13 LED Description LINK ON means a link is present OFF means no link is present ACT OFF means no data is being transmitted or received Blinking means data is being transmitted and or received Table 2 7 LEDs on the rear panel of the AR 28 14 LED Desc...

Страница 27: ...thernet interface 1 CE1 PRI interface 1 AUX port 1 console port 2 x 10 100 Mbps Ethernet interface 1 CT1 PRI interface 1 AUX port 1 console port Processor MPC8241 200 MHz Boot ROM 512 KB SDRAM Default 128 MB Max 256 MB Flash 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 AC Rated voltage 100 VAC to 240 VAC 50 Hz to 60 Hz Maximum tolerance 85 VAC to 2...

Страница 28: ...rage 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 ...

Страница 29: ...1 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 is present ACTIVE Activity LED Blinking means ...

Страница 30: ...12 KB SDRAM Default 128 MB Max 256 MB Flash 32 MB Physical dimensions H x W x D 44 4 x 442 x 413 mm 1 7 x 17 4 x 12 4 in Weight 8 kg 17 6 lb Input voltage AC Rated 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 temperature 0 C to 40 C 32 F to 104 F Relative humidity noncondensing 5 to 90 Note SDRAM synchronous dynamic random ac...

Страница 31: ...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...

Страница 32: ...o 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 SDRAM Default 128 MB Max 256 MB Flash 32 MB Physical dimensions H x W x D 44 4 x 442 x 413mm 1 7 x 17 4 x 12 4 in Weight 8 kg 17 6 lb Input voltage AC Rated voltage 100 VAC to 240 VAC 50...

Страница 33: ...e 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 SLOT0 5 MIM SLOT1 6 MIM SLOT2 7 M...

Страница 34: ...Module status LED ON means the module in corresponding slot runs normally OFF means the module is malfunctioning or no module is present 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 Pro...

Страница 35: ...ation 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 Model Fixed LAN interface Fixed WAN interface SIC slot MIM slot AR 28 09 1 1 synchronous asynchronous serial interface 2 1 AR 28 10 1 1 synchronous asynchronous serial interface 2 1 AR 28 11 2 1 synchronous asynchro...

Страница 36: ...c 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...

Страница 37: ...eries 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 z External electric fields such as outdoor high voltage power line or thunder z Internal environment like flooring materials or the whole equipment structure T...

Страница 38: ...outer may still happen To protect the router from lightning better the following should be considered z Ensure the PGND wire of the chassis is well grounded z Ensure the ground point of the socket of AC power supply is well grounded z To enhance the lightning protection capability of the power supply a lightning arrester could be installed at the input end of the power supply z As for the signal l...

Страница 39: ...the router Please follow the following safety recommendations during the installation and use of the router z Keep the router away from any wet place or heat source z Make sure that the router is normally grounded z 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 z Do not hot swap the interface mod...

Страница 40: ...e cable for selected interface modules III Devices z A Router optional Multi functional Interface Modules MIMs z Ethernet HUB or LAN Switch z CSU DSU channel service unit data service unit or other DCE devices z Console terminal can be an ordinary PC z Multimeter Caution AR 28 Series are not shipped with any installation tools and the user has to prepare the tools ...

Страница 41: ...tall the Router to the specified location Connect PGND Connect power cord Connect the Router to Console terminal Check Power on Power off and disconnect the power cord Install MIM Connect Router to Ethernet Connect Router to WAN Connect Router to voice device Connect power cord power on Check End Start Power off Troubleshooting No Yes Figure 4 1 Quidway AR 28 Series Router installation process ...

Страница 42: ...laced z Installing the router on a workbench z 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 you should be aware of the following items z Ensure the stability and well grounding of the workbench z Leave a space...

Страница 43: ... situation slide the router along the chassis guides to an appropriate place Step 3 Fasten the mounting ears with the recess screws to fix the router in the rack horizontally and firmly The specifications of recess screws should satisfy the installation requirements and the surface of the screws should be anti rust 1 Mounting ear 2 Guide Figure 4 2 Installing the router in a rack 4 3 Installing MI...

Страница 44: ... 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 req...

Страница 45: ... 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 wit...

Страница 46: ...d 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 pos...

Страница 47: ...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...

Страница 48: ...or router configuration For its attributes refer to Table 4 5 Table 4 5 Attributes of the console port Attribute Description Connector RJ 45 Interface standard 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 running terminal emulation program on the PC Command line interface CLI II Console cable Consol...

Страница 49: ...s 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 Etherne...

Страница 50: ...ake crossover cables yourself as needed Caution In making network cables shielded cables are preferred for electromagnetic compatibility sake III Connecting the Ethernet cable Caution z Prior to connection please identify the mark on the interface in order to plug correctly z While connecting the Ethernet cable to a LAN Switch plug the cable into the 10 100BASE T interface marked with MDIX Follow ...

Страница 51: ... 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 Attr...

Страница 52: ... 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 D...

Страница 53: ...able Service DDN leased line backup Terminal access Backup Modem dialup Backup 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 Attribute Synchronous Asynchronous Connector DB 50 V 24 V 35 Interface standard and operating mode DTE DCE DTE DCE RS232 Minimum baud rate...

Страница 54: ...chronous 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 RS2...

Страница 55: ...exer 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...

Страница 56: ...Chapter 4 Installation of the Router Huawei Technologies Proprietary 4 16 Figure 4 12 V 24 RS232 DTE cable z V 24 RS232 DCE cable Figure 4 13 V 24 RS232 DCE cable z V 35 DTE cable Figure 4 14 V 35 DTE cable z V 35 DCE cable Figure 4 15 V 35 DCE cable ...

Страница 57: ... RS232 DTE cable DB 25 male connector z V 24 RS232 DCE cable DB 25 female connector z V 35 DTE 34PIN male connector z V 35 DCE 34PIN female connector z X 21 DTE DB 15 male connector z X 21 DCE DB 15 female connector z RS449 DTE DB 37 male connector z RS449 DCE DB 37 female connector z RS530 DTE DB 25 male connector z RS530 DCE DB 25 female connector The following figures show these cables z V 24 D...

Страница 58: ...ter 4 Installation of the Router Huawei Technologies Proprietary 4 18 Figure 4 18 V 35 DTE cable z V 35 DCE cable assembly Figure 4 19 V 35 DCE cable z X 21 DTE cable Figure 4 20 X 21 DTE cable z X 21 DCE cable Figure 4 21 X 21 DCE cable z RS449 DTE cable ...

Страница 59: ...anual Chapter 4 Installation of the Router Huawei Technologies Proprietary 4 19 Figure 4 22 RS449 DTE cable z RS449 DCE cable Figure 4 23 RS449 DCE cable z RS530 DTE cable Figure 4 24 RS530 DTE cable z RS530 DCE cable Figure 4 25 RS530 DCE cable ...

Страница 60: ...on 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...

Страница 61: ... cable which is G 703 compatible may be 75 ohm unbalanced coax cable or 120 ohm balanced twisted pair cable 75 ohm z 75 ohm unbalanced coax cable The cable is attached with DB 15 male connector for the router end and with BNC connector for the network end See the following figure Figure 4 26 E1 75 ohm unbalanced coaxial cable Note You can also choose to attach both ends with BNC connectors for ext...

Страница 62: ...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 z Turn on the switch to change the interface impedance t...

Страница 63: ...xial 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 d...

Страница 64: ...le 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 Connecting T1 interface to DSU CSU 1 Introduction to the T1 interface T1 interface which stands for channelized CT1 PRI inter...

Страница 65: ...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 z Check the interface mark before connection to avoid cable mis insertion and router damage z When the T1 interface cable ...

Страница 66: ...uters 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 z Whether there is enough space around the router for heat dissipation and whether...

Страница 67: ...ctor 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 con...

Страница 68: ... 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 configurat...

Страница 69: ...et 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...

Страница 70: ...ord and PGND wire are correctly connected z Whether the voltage of the power supply complies with the requirement of the router z 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 t...

Страница 71: ...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 versio...

Страница 72: ...lay Quidway 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 networ...

Страница 73: ...forms the local configuration through CON port z Performs the local or remote configuration through telnet command which can be used to directly log on and manage other routers z Users can enter anytime to get online help z Provides network diagnostic tools such as Tracert and Ping to quickly diagnose the availability of the network z Provides all kinds of detailed debugging information to diagnos...

Страница 74: ...ion image file main software z Configuration file Software maintenance mainly involves these three types of files including z Upgrading application and Boot ROM image through XMODEM z Upgrading the application image through TFTP z Uploading downloading the application image and configuration file through FTP Note Identify the current version of the application and Boot ROM program before software ...

Страница 75: ... 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 Boot ROM XModem upgrade TFTP upgrade FTP upgrade Via netwrok interface Figure 6 1 Upgrade the Boot ROM and VRP images under VRP3 4 environment ...

Страница 76: ... console authentication 7 Start up and ignore configuration 8 Enter debugging environment 9 Boot Rom Operation Menu a Do not check the version of the software b Exit and reboot Enter your choice 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 imag...

Страница 77: ...e 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 z 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 y...

Страница 78: ...ct 10 2002 10 10 10 4 s_system bin 5988022 S Oct 10 2002 10 10 10 There are 4 application files Press Enter key to continue Press Enter to return to Boot Menu 5 Clear the application super password Selecting this option allows you to access system view at a reboot This however is a one time operation You must provide the super password at subsequent reboots 6 Clear console authentication This opti...

Страница 79: ...ASH 5 Exit to Main Menu Enter your choice 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 softw...

Страница 80: ...software download speed 115200 bps in this example After that select Dial in Disconnect and then Dial in Dialing to disconnect and reconnect the terminal Press Enter to start downloading The console screen displays Please Select Program File Downloading 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 ...

Страница 81: ...tion file 3 secure application file 4 cancel downloading Enter your choice 1 4 The system starts writing to Flash memory after you enter your choice and displays Writing to flash memory Please wait it needs a long time Please wait Writing FLASH Success Please use 9600 bps Press ENTER key to reboot the system Restore the baud rate of the console terminal to 9600 bps as prompted disconnect the termi...

Страница 82: ...g 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 on...

Страница 83: ...xit 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 Ethernet interface On the AR 28 09 28 10 28 11 28 12 28 13 28 14 28 30 28 31 thi...

Страница 84: ...he 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 overwrit...

Страница 85: ...ash main bin already exist Overwrite it 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 device fei unit number 0 processor number 0 host name 8040 file name Q8040 BIN inet on ethernet e...

Страница 86: ...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 I Opening the AR 28 09 chassis cover Follow these steps to open the AR 28 09 chassis cover 1 Power down the router and remove the power cord 2 Remove all interface cables but the grounding wire from the rear panel of the router 3 Place the chassis on a flat surface ...

Страница 87: ...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 compl...

Страница 88: ...quence resulted from users operation without permission z Do not replace the hardware unless necessary and under the guidance of technical staff z Ensure that no electricity is present before servicing the device to avoid bodily injuries and device damage z Wear an ESD preventive wrist strap when servicing the device making sure it has good skin contact z Use the SDRAMs provided by Huawei Technolo...

Страница 89: ...or upgrade as needed Generally you need to do that in the following situations z More memory is required for the upgraded application image maintaining a large routing table or processing memory consuming tasks z The existing SDRAM is damaged You can see this banner at boot Router starts booting V2 00 Quidway Series Routers Boot ROM V9 13 Copyright c 1998 2005 by HUAWEI Technologies CO LTD Testing...

Страница 90: ...ilable with the AR 28 series Item AR 28 09 28 10 28 11 AR 28 12 28 13 28 14 AR 28 30 28 31 28 40 28 80 Memory type SDRAM SDRAM SDRAM Acceptable maximum size of a single memory MB 128 256 256 Extension Not extendable Extendable to 256 MB at the original memory slot Extendable to 256 MB at any or both of the memory slots The following figure illustrates the position of the SDRAM on the AR 28 09 28 1...

Страница 91: ...DRAM 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 out from the slot...

Страница 92: ...ot 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 preve...

Страница 93: ...ry 6 20 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 ...

Страница 94: ...er all these items are checked contact your agent for help 7 2 Troubleshooting 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 th...

Страница 95: ...ardware Maintenance in this manual II Troubleshooting of repeated reboot Symptom z After the information Now testing memory appears the system restarts repeatedly Or z 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 seriou...

Страница 96: ...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 z If Windows prompts IP address conflict it is very ...

Страница 97: ...tware 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 lab...

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