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6 Contents
2 Installation
Installing the Router on a Workbench 25
Installing the Router in a Rack 25
Power Cords, Grounds and Cables 26
PGND Wire 26
Power Cord 27
Power input and PGND 27
AC Power Cord 27
Console Terminal 29
Router to LAN Connection 30
Router to WAN Connection 31
Connecting the AUX port to the Modem 31
WAN Interface to DSU/CSU 32
3 Starting and Configuring the Router 5000
Startup of the Router 5000 43
Setting up Configuration Environment 43
Powering on the Router 45
Startup Process 46
Configuration Fundamentals of the Router 48
Command Line Interface 48
4 Troubleshooting
Troubleshooting the Power System 51
Troubleshooting of the Console Terminal 51
Troubleshooting of SDRAM 52
Application Software Upgrade 53
5 Router Software Maintenance
Introduction 55
Software Maintenance under v 3.11 Environment 56
Dealing with a Router Password Loss 66
A Obtaining Support for Your 3Com Products
Register Your Product to Gain Service Benefits 67