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5-1
Cisco 10008 Router Hardware Installation Guide
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5
Maintaining the Cisco 10008 Router
The Cisco 10008 router is configured to your order and ready for installation when it arrives. After you
install the system, you may have to perform specific maintenance procedures to ensure the router is
operating properly. These procedures can include routine maintenance such as replacing the filter,
upgrading system components, or replacing components with field replaceable units (FRUs). This
chapter contains the information necessary to perform that maintenance for the Cisco 10008 router.
Note Detailed, up-to-date instructions are also shipped with all FRUs and upgrade kits.
System components fall into two categories:
• hot-swappable components that do not require you to power off the system before replacing them
• those components that do require you to power off the system before you replace them.
For example, all line cards are hot-swappable and can be replaced without powering off the system, but
you must power off the system before replacing a single power entry module (PEM) or a single
Performance Routing Engine (PRE).
Note To prevent alarms from activating, you must administratively shut down a line card before hot swapping
it.
This chapter contains the following removal and installation information:
• Front Cover Procedures, page 5-4
• Replacing the Air Filter, page 5-7
• Replacing the Blower Module, page 5-10
• Installing Power Entry Modules, page 5-12
• Removing and Replacing the PRE, page 5-36
• Removing and Installing DIMMS, page 5-47
For information on removing and installing line cards, see the Cisco 10000 Series Routers Line Card
Hardware Installation Guide.
Read Chapter 2, “Preparing for Installation,” and check the safety information in Chapter 3, “Installing
the Cisco 10008 Router” before beginning any of the following procedures. Also see the Regulatory
Compliance and Safety Information for the Cisco 10000 Series Routers document.