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3Com Router 5000 Family
Installation Guide

Chapter 4 Installation of the Router

3Com Corporation

4-12

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 Connecting 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 3Com 5000 Routers 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 4-6

Table 4-6

Attributes of the synchronous/asynchronous serial interface

Description

Attribute

Synchronous

Asynchronous

Connector type

DB28 or DB50

V.24

V.35/RS449/X.21
/RS530

Interface standard
and operating
mode

DTE/DCE DTE/DCE

RS232

Minimum baud rate
(bps)

1200 1200

300

Maximum baud
rate (bps)

64K 2.048M

115200

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

Function

DDN leased line backup
Terminal access

Modem dial-up
Backup
Asynchronous lease
line
terminal access

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Summary of Contents for Router 5000 Series

Page 1: ...3Com Router 5000 Family Installation Guide 3C13701 3C13751 3C13755 3C13759 www 3Com com Part Number 10015048 Rev AA March 2006 ...

Page 2: ...ited States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is...

Page 3: ... ROUTER 5232 Router 2 10 2 4 1 Appearance 2 10 2 4 2 Panel LEDs 2 11 2 4 3 System Description 2 11 2 5 3Com Router 5682 Router 2 13 2 5 1 Appearance 2 13 2 5 2 Panel LEDs 2 13 2 5 3 System Description 2 14 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 ...

Page 4: ...pter 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 3 5 1 3 Startup Process 5 4 5 2 Configuration Fundamentals of the Router 5 5 5 2 1 Basic Configuration Steps 5 5 5 2 2 Command Line Interface 5 6 Chapter 6 Router Maintenance 6 1 6 1 Software Maintenance 6 1 6 1 1 Introduction 6 1 6 1 2 Soft...

Page 5: ...bundant QoS Quality of Service features Thereby 3Com 5000 Routers can operate together with other 3Com 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 3Com 5000 Routers provide the following features I High performance p...

Page 6: ...ices 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 the maximum data transmission capacity over existing copper wiring by using the digital code modulation technology The ADSL ADSL I G SHDSL module for 3Com 50...

Page 7: ...ovide the user with adequate physical carrier to upgrade the software online add new features and extend new functions according to market demands IX Chassis 3Com 5000 Router adopts integrated structure design It performs excellently on heat dissipation EMC Electromagnetic Compatibility and safety 1 2 Types of SICs 3Com 5000 Router Family provide two SIC slots which can accept the following types ...

Page 8: ...ide Chapter 1 Overview 3Com Corporation 1 4 z Router 4 port E M module 3C13785 z Router 1 port E1 Voice MIM module 3C13786 z Router 1 port T1 Voice MIM module 3C13787 II Encryption module z Router NDEC2 Encryption Accelerator MIM 3CR13773 75 ...

Page 9: ... 3Com Router 5009 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 3Com Router 5009 Router 2 1 2 Panel LEDs Seven LEDs are provided on 3Com Router 5...

Page 10: ...ous asynchronous serial interface LED is used to show the status of data transceiving on the serial interfaces OFF means no data is being transceived Blinking means data is being transceived ETHERNET Fixed Ethernet interface LED shows the status of data transmission on fixed Ethernet interface OFF means no data is being transmitted Blinking means data is being transmitted SYSTEM Hardware system op...

Page 11: ... 4 x 376 2 x 287 9 mm 3 1 x 14 8 x 11 3 in Operating temperature 0 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 Boo...

Page 12: ...nding 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 3Com Router 5012 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 Figu...

Page 13: ...n the slot or the interface card cannot operate properly SLOT3 SIC LED ON indicates that the interface card operates normally OFF indicates that no interface card is installed in the slot or the interface card cannot operate properly WAN Fixed synchronous asynchronous serial interface LED Show the status of data transceiving on the serial interface OFF means that no data is being transceived Blink...

Page 14: ...1 7 x 17 4 x 12 4 in Weight 6 kg 13 lb AC Rated voltage range 100 to 240 VAC 50 or 60 Hz Max voltage range 85 to 264 VAC 47 to 63 Hz Input voltage DC Rated voltage range 48 to 60 VDC Max voltage range 40 to 75 VDC System power consumption 60 W Operating temperature 0 to 40 C 32 F to 104 F Relative humidity noncondensing 5 to 90 Note SDRAM synchronous dynamic random access memory As the primary mem...

Page 15: ...d 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 3Com Router 5012A AC input type Router 1 SIC slot 3 2 SIC slot 2 3 Power switch 4 Power socket 5 Grounding screw 6 Fixed interface WAN0 7 Conversion switch for E1 interface impedance 8 Console port CON 9 Auxiliary po...

Page 16: ...eping ON or OFF means that the system is in abnormal operation SLOT1 MIM LED ON indicates that the interface module operates normally OFF indicates that no module is installed in the slot or the module cannot operate properly SLOT2 SIC LED ON indicates that the interface card operates normally OFF indicates that no interface card is installed in the slot or the interface card cannot operate proper...

Page 17: ...ed interface Two 10 100 Mbps Ethernet interface Two synchronous asynchronous series interfaces DB28 One AUX port One Console port Two 10 100 Mbps Ethernet interface One CE1 PRI interface One AUX port One Console port Two 10 100 Mbps Ethernet interface One CT1 PRI interface One AUX port One Console port CPU MPC8241 200 MHz Boot ROM 512 KB SDRAM Default 128MB Max 256MB Flash 32 MB Physical dimension...

Page 18: ...stem operation Flash memory As the primary file storage media stores application programs anomaly information configuration file Boot ROM Stores Bootstrap program 2 4 3COM ROUTER 5232 Router 2 4 1 Appearance 1 POWER 2 SYSTEM 3 AUX 4 CON 5 SLOT1 3 READY ACTIVE 6 LAN READY ACTIVE Figure 2 11 Front view of 3COM ROUTER 5232 Router 1 Power switch 2 Power socket 3 Grounding screw 4 Fixed interface ETERN...

Page 19: ...TEM Hardware status LED Blinking means the system runs normally ON OFF means the system is abnormal READY Module status LED ON means the module in corresponding slot runs normally OFF means the module runs abnormally or no module is installed ACTIVE Blinking means data is being transceived by the module in the corresponding slot OFF means no data is being transceived 1 3 Indicating the slot number...

Page 20: ...50 or 60 Hz Max voltage range 85 to 270 VAC 50 or 60 Hz Input voltage DC Rated voltage range 48 to 60 VDC Max voltage range 36 to 72 VDC System power consumption 80 W Operation temperature 0 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 memo...

Page 21: ...OT6 11 MIM SLOT7 Figure 2 15 Rear view of 3Com Router 5682 Router 2 5 2 Panel LEDs 18 LEDs are provided on 3Com Router 5682 Router Their meaming is explained in the following table Table 2 10 LEDs of 3COM ROUTER 5682 Router LED Indication POWER System power LED OFF means power is off ON means power is on As for the router with AC DC power supply OFF means it is not powered on ON means it is powere...

Page 22: ...no data is being transceived by the module in the corresponding slot 0 7 The corresponding slot number 2 5 3 System Description Table 2 11 System description of 3COM ROUTER 5682 Router Item Description Slot 8 CPU MPC8245 300 MHz NVRAM 128 KB Boot ROM 512 KB SDRAM Default 128 MB Max 256 MB Flash 32 MB Physical dimensions H x W x D 88 2 x 442 x 413 mm 3 5 x 17 4 x 16 3 in Weight 14 kg 31 lb AC Rated...

Page 23: ...ctricity 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 3Com 5000 Routers are shown in Table 3 1 Table 3 1 Humidity requirements in the equipment...

Page 24: ...uit 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 Thus the following should be consi...

Page 25: ...sidered 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 line outdoors to which the interface modules of 3Com 5000 Routers are connected such as ISDN li...

Page 26: ... 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 modules of the router and any cable z Correctly connect the interface cable for the router Do not connect the ...

Page 27: ...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 3Com 5000 Routers are not shipped with any installation tools and the user has to prepare the tools ...

Page 28: ...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 3Com 5000 Routers Router installation process ...

Page 29: ... 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 of 10cm around the router for heat dissipation z Do not place heavy objects on the router 4 2 2 Installing the Router in a Rack 3Com 5000 Rout...

Page 30: ...ise 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 li...

Page 31: ...tion 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 3Com 5000 Routers AC powered and DC powered Except for the input power these two types have exactly the same features and functions 4 5 1 P...

Page 32: ...ngle phase 3 core outlet with a neutral point or a multi functional computer power socket The neutral point of the outlet should be grounded reliably Normally the neutral point of the power supply system in a building is buried in the ground during the construction and cabling The user must make sure that the power supply for the building is grounded before connecting the AC power cord III Connect...

Page 33: ...ppearance of the power socket for a DC powered router z DC input 1 2 48 60V BGND 48V PGND 1 Power switch 2 DC input receptacle Figure 4 5 Partial external appearance of the DC power socket z DC input 1 Power switch 2 DC input receptacle Figure 4 6 Partial external appearance of the DC power socket for II Connection of the DC power cord The DC power cords consist of one 48V blue power cord and one ...

Page 34: ...of the DC power cord including DC PGND connector and 48V power cord connector which is shipped with the router to the power socket on the router chassis and the other end including DC PGND connector and 48V power cord connector to the DC power supply Warning To avoid the connection errors identify the label on the power cord when connecting the DC power cord Step 3 Place the power switch of the ro...

Page 35: ...e serial interface of the local PC and operating the terminal emulator on the PC Command line interface II Console cable Console cable is an 8 core shielded cable One end is an RJ45 connector for CON of the router The other end is a DB9 female connector The user can plug either of them into the serial port of the console terminal as needed Console cable is shown in the following figure A A Figure ...

Page 36: ...uters provide fixed 100BASE TX FE interface s For the interface attributes refer to Table 4 4 Table 4 4 Attributes of the Ethernet interface Attribute Description Connector RJ45 Interface MDI Operating mode 10 100Mbps auto sensing Full duplex half duplex Note Ethernet MDI Media Dependent Interface is the typical Ethernet interface on ordinary network cards MDIX is crossover media dependent interfa...

Page 37: ... correctly z 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 the Ethernet cable taking LAN0 1 as an example Step1 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 Rout...

Page 38: ... to 115200 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 RJ45 connector which can be plugged into the AUX port of the device The other end is furnished at the same time with a DB9 male connector and a DB25 male connector The user can choose either of them to plug ...

Page 39: ... 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 6 Table 4 6 Attributes of the synchronous asynchronous serial interface Description Attribute Synchronous Asynchronous Connector type DB28 or DB50 V 24 V 35 RS449 X 21 RS530 Interface standard and operating m...

Page 40: ... mode Different signaling standards are supported in these two modes V 35 and V 24 RS232 support synchronous operating mode while V 24 RS232 support the asynchronous operating mode The maximum transmission distance and baud rate of the signal vary with the operating mode Table 4 7 Transmission rate and transmission distance of V 24 RS232 V 35 cable V 24 RS232 V 35 Baud rate bps Maximum transmissio...

Page 41: ...es 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 2 Synchronous asynchronous serial interface cable The WAN interface of the router is a DB50 receptacle Proper connection cable...

Page 42: ...ly Installation Guide Chapter 4 Installation of the Router 3Com Corporation 4 15 Figure 4 12 V 24 RS232 DTE cable assembly z V 24 RS232 DCE cable assembly Figure 4 13 V 24 RS232 DCE cable assembly z V 35 DTE cable assembly ...

Page 43: ...5000 Family Installation Guide Chapter 4 Installation of the Router 3Com Corporation 4 16 Figure 4 14 V 35 DTE cable assembly z V 35 DCE cable assembly Figure 4 15 V 35 DCE cable assembly z X 21 DTE cable assembly ...

Page 44: ...ter 3Com Corporation 4 17 Figure 4 16 X 21 DTE cable assembly z X 21 DCE cable assembly Figure 4 17 X 21 DCE cable assembly z RS449 DTE cable assembly Figure 4 18 RS449 DTE cable assembly z RS449 DCE cable assembly Figure 4 19 RS449 DCE cable assembly z RS530 DTE cable assembly ...

Page 45: ...able DB25 male connector z V 24 RS232 DCE cable DB25 female connector z V 35 DTE 34PIN male connector z V 35 DCE 34PIN female connector z X 21 DTE DB15 male connector z X 21 DCE DB15 female connector z RS449 DTE DB37 male connector z RS449 DCE DB37 female connector z RS530 DTE DB25 male connector z RS530 DCE DB25 female connector The following figures show the cable assembly of all these types z V...

Page 46: ...outer 3Com Corporation 4 19 z V 35 DTE cable assembly Figure 4 23 V 35 DTE cable assembly z V 35 DCE cable assembly Figure 4 24 V 35 DCE cable assembly z X 21 DTE cable assembly Figure 4 25 X 21 DTE cable assembly z X 21 DCE cable assembly Figure 4 26 X 21 DCE cable assembly ...

Page 47: ...r 3Com Corporation 4 20 z RS449 DTE cable assembly Figure 4 27 RS449 DTE cable assembly z RS449 DCE cable assembly Figure 4 28 RS449 DCE cable assembly z RS530 DTE cable assembly Figure 4 29 RS530 DTE cable assembly z RS530 DCE cable assembly Figure 4 30 RS530 DCE cable assembly ...

Page 48: ...er synchronous asynchronous cable is shipped with the router Step 2 Plug the DB50 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 fo...

Page 49: ...h is G 703 compatible may be 75Ω unbalanced coax cable or 120Ω balanced twisted pair cable z 75Ω unbalanced coax cable The cable is attached with DB15 male connector for the router end and with BNC connector for the network end See the following figure Figure 4 31 E1 75Ω unbalanced coax cable Note You can also choose to attach both ends with BNC connectors for extending two 75 unbalanced coax cabl...

Page 50: ...er 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 to 75Ω and then you need to connect the 75Ω cable z Turn on the switch to change the interface impedance to 120Ω and then you need to connect the 120Ω cable 4 Connecting E1 interface cable Caution z Examine the interface mark before...

Page 51: ...ly which is connected to a 75Ω E1 trunk cable The 75Ω 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 Router BNC connector DB 15 75Ω unbalanced coax cable Coax connector assembly BNC connector 75Ω E1 trunk cable Figure 4 33 Extending two E1...

Page 52: ...check the line III Connecting T1 interface to DSU CSU 1 Introduction to the T1 interface T1 interface which stands for channellized CT1 PRI interface is responsible for forwarding and processing T1 data flow delivering CT1 access and implementing ISDN PRI function Its attributes are listed in the following table Table 4 9 T1interface attributes Attribute Description Connector type RJ45 Interface s...

Page 53: ...ecting T1 interface cable Caution z Examine the interface mark before connection to avoid cable mis insertion and router damage z 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 devi...

Page 54: ...y types of voice interfaces 4 10 Checking after the 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 the workbench is stable enough z Whether the power supply that the power cord connects to is compliant with that required b...

Page 55: ... connector of the console cable needs to be connected to the console port on the router and DB 25 or DB 9 connector to the serial interface of a PC 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 Windows95 98 NT ...

Page 56: ...cted serial interface should be consistent with the actual serial interface connected by the console cable Figure 5 2 Setting the connection port in the local configuration 2 Set the serial interface parameters As shown in Figure 5 3 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 r...

Page 57: ...rTerminal window 5 1 2 Powering on the Router I Checking before power on Check according to the following items before powering on the router z Whether the power cord 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 w...

Page 58: ...ation after power on please refer to Chapter 2 System Specifications 2 Whether the console terminal display is normal The startup interface on the console terminal can be seen after the router is powered on please see Section 5 1 3 Startup Process in this manual for reference After the startup in other words self test the user is prompted to press Enter When 3Com is displayed the user can proceed ...

Page 59: ...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 System is self decompressing OK System is starting Starting at 0x10000 User interface Con 0 is available Press ENTER to get started Press Enter and the screen will display 3Com This prompt ind...

Page 60: ...ired perform the reliability configuration for the router 5 2 2 Command Line Interface I Characteristics of the command line interface The command line interface of 3Com 5000 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 z Performs the local configuration through CON port z Perfo...

Page 61: ...tallation Guide Chapter 5 Startup and Configuration of the Router 3Com Corporation 5 7 be executed under a particular view But some common commands such as ping display current configuration interface can be executed in all views ...

Page 62: ...ion file through FTP 3Com 5000 Routers are loaded initially You may need to upgrade it and its corresponding Boot ROM image to accommodate new product features Note Examine the current version of the application and Boot ROM program before software upgrade For the association between the version and Boot ROM image see the corresponding Release Notes 6 1 2 Software Maintenance under v 2 41 Environm...

Page 63: ...2 Download the application image through Ethernet Refer to the subsection Upgrading the application image through Ethernet in this section If you select this option the following Net Port Download Menu appears Net Port Download Menu 1 Change Net Parameter 2 Download From Net 3 Exit to Main Menu Enter your choice 1 3 1 3 Set the type of the application image file to change the type of a boot file o...

Page 64: ...e 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 Select 3 in Boot Menu The console screen displays the following menu provided four application image files have existed in Flash memory M MAIN B BACKUP S SEC...

Page 65: ...n ignored allowing you to log in from the console port without authentication Note that this is a one time operation It takes effect only at the first reboot after resetting console authentication is selected At the next reboot console authentication is required 7 Start up and ignore configuration Select option 7 The system sets an Ignore flag to Flash memory and displays Flag set successfully Thu...

Page 66: ...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 ...

Page 67: ...ulation program Step 4 Select Transfer Send file in the HyperTerminal window The following window pops up Figure 6 1 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 Step 6 After completing download the system begins writing to...

Page 68: ... Boot ROM from FLASH 4 Backup Extended Segment of Boot ROM to FLASH 5 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 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 enti...

Page 69: ... 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 ...

Page 70: ...nter your choice 1 3 1 3 In Net Port Download Menu select 1 for example to change the download parameters as follows Change Boot Parameter clear field go to previous field D quit boot device fei0 processor number 0 host name 8040 file name M8240ram arj inet on ethernet e 169 254 10 10 inet on backplane b host inet h 169 254 10 11 gateway inet g user u 8040 ftp password pw blank use rsh flags f 0x0...

Page 71: ...elect 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 10 110 27 235 host inet h 10 110 27 231 user u 8040 ftp password pw 8040 flags f 0x80 Attached TCP IP interface to fei0 Subnet Mask 0xfffff800 Attaching network interface lo0 done Loading NET download completed read len 04378489 Please wait it needs a long time...

Page 72: ...move the power cord Step 2 Remove all interface cables from the rear panel When doing this note to retain the grounding wire 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 chas...

Page 73: ...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 3Com Corporation only Otherwise anomalies might occur to the device 6 2...

Page 74: ...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 3Com 5000 Routers Boot ROM V9 13 Copyright C 1997 2003 by 3Com Corporation Testing memory OK 128M by...

Page 75: ...their requirements Table 6 2 Memory types available Item 5009 5012A 5013 5014 5232 Memory type SDRAM SDRAM SDRAM Acceptable maximum size of a single memory MB 128 256 128 Extension Not extendable Extendable to 256MB at the original memory slot Extendable to 256MB at any or both of the memory slots The following figure illustrates the position of the SDRAM on the 3COM ROUTERS Figure 6 4 Position of...

Page 76: ...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 7 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 Put the SDRAM into ...

Page 77: ...ropriate 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 ...

Page 78: ...allation Guide Chapter 6 Router Maintenance 3Com Corporation 6 17 1 2 3 1 Chassis bottom 2 Chassis cover 3 Captive screw Figure 6 8 Close the chassis cover Step 5 Secure the chassis cover to the router base with the captive screw ...

Page 79: ...roubleshooting of the Console Terminal After the Power On Self Test POST of the router if the system operates normally the start up information should be displayed on the console terminal If the configuration system has some faults the terminal may not display anything or may display only illegible characters I Troubleshooting of nothing being displayed on the terminal 1 Fault After the POST of th...

Page 80: ...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 Troubleshooting of repeated reboot 1 Fault Fault 1 After the information Now testing memory appears the system restarts repeatedly Fault 2 After displaying the info...

Page 81: ...oblem 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 3Com 5000 Routers Run the winipcfg command and the system will prompt the IP address of the...

Page 82: ...uter model In this case contact your agent to obtain 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 so...

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