3Com Router 6000 FamilyInstallation Manual Table of Contents3Com Corporationii4.1.1 Setting up a Configuration Environment ................................................................. 4-14.1.2 Powering on the Router .......................................................................................... 4-54.1.3 Boot Process of the RPU2 ...................................................................................... 4-54.2 Router Configuration Basics .............................................................................................. 4-74.2.1 Basic Configuration Procedures.............................................................................. 4-74.2.2 Command Line Interface......................................................................................... 4-74.2.3 Arranging Slots and Numbering Interfaces ............................................................. 4-8Chapter 5 Maintaining Software................................................................................................... 5-15.1 Overview ............................................................................................................................ 5-15.2 Maintaining Software of the RPU2..................................................................................... 5-15.2.1 Boot Menu ............................................................................................................... 5-15.2.2 Upgrading Software Using Xmodem....................................................................... 5-45.2.3 Backing Up/Restoring the Extended Segment of the Boot ROM Image................. 5-85.2.4 Upgrading the Application Image Using TFTP........................................................ 5-95.3 Dealing with a Router Password Loss............................................................................. 5-10Chapter 6 Maintaining Hardware ................................................................................................. 6-16.1 Preparing Tools.................................................................................................................. 6-16.2 Removing/Installing PSUs ................................................................................................. 6-16.2.1 Removing a PSU..................................................................................................... 6-16.2.2 Installing a PSU....................................................................................................... 6-26.3 Removing/Installing the Fan Module ................................................................................. 6-26.3.1 Removing the Fan Module ...................................................................................... 6-26.3.2 Installing the Fan Module ........................................................................................ 6-36.4 Removing/Installing the Main Control Board ..................................................................... 6-36.4.1 Removing the RPU2 ............................................................................................... 6-36.4.2 Installing the RPU2 ................................................................................................. 6-46.5 Replacing the SDRAM....................................................................................................... 6-46.6 Removing/Installing the Encryption Daughter Card........................................................... 6-66.6.1 Removing the Encryption Daughter Card ............................................................... 6-66.6.2 Installing the Encryption Daughter Card ................................................................. 6-7Chapter 7 Troubleshooting .......................................................................................................... 7-17.1 Troubleshooting the Power System................................................................................... 7-17.2 Troubleshooting the Configuration System ....................................................................... 7-17.3 Troubleshooting Application Image Upgrade .................................................................... 7-2Chapter 8 Installing B68 Cabinets ............................................................................................... 8-18.1 Installation Requirements and Procedures........................................................................ 8-18.1.1 Planning the Site ..................................................................................................... 8-18.1.2 General Installation Procedures.............................................................................. 8-28.2 Mounting Cabinets on the Concrete Floor......................................................................... 8-38.2.1 Components of Integrated Anchor Strips................................................................ 8-38.2.2 Installation Flow....................................................................................................... 8-4