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Cisco 10008 Router Hardware Installation Guide
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Chapter 5 Maintaining the Cisco 10008 Router
Required Maintenance Tools
Required Maintenance Tools
The only tools required to perform the maintenance procedures described in this chapter are:
• A Number 2 Phillips screwdriver
• A flat-blade screwdriver
• An electrostatic discharge (ESD) grounding strap
Shutting Down the System
Although most components in the Cisco 10008 router are hot-swappable, you may have to shut down
the system under certain circumstances. Use the following procedure to shut down the system:
Step 1 Notify appropriate personnel that you plan to shut down the system and that the shutdown results in total
loss of service. Appropriate personnel includes the regional alarm or network monitoring center, central
office personnel, and key customers.
Step 2 Before you shut down the router, use the copy command to save any configuration changes to NVRAM,
and also, if you wish, to a Flash disk (see “Relocating the Configuration to a Flash Disk” section on
page 4-9 for instructions about using the copy command).
Step 3 Power down the system by setting the power switch on all PEMs to the off (0) position (your system can
be configured with one or two PEMs).
Backing Up the PCMCIA Card
Cisco recommends that you create a duplicate PCMCIA card that contains the current boot software
image and the current software configuration. You can use the backup card to quickly recover from a
major system failure. You can also use a backup card to load a new PRE module and avoid the
time-consuming reconfiguration process. For instructions to create a backup flash disk, see “Relocating
the Configuration to a Flash Disk” section on page 4-9.
Removing and Replacing Field-Replaceable Units
This section contains the procedures to remove and replace all of the field replaceable units (FRUs) for
the Cisco 10008 router. Before beginning any FRU procedure, be sure you are familiar with the safety
precautions outlined in Chapter 2, “Preparing for Installation.”
Note The illustrations in this guide depict the original Cisco 10008 chassis. Your chassis may have slight
differences, but the procedures are the same.