CHAPT ER
5-1
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
5
Replacing Cisco ASR 9001 Router Components
The router is equipped as ordered and is ready for installation and startup when it is shipped. As network
requirements change, you may need to upgrade the system by adding or changing components. This
chapter describes how to maintain router components.
Procedures for maintaining the router are described in these sections:
Prerequisites and Preparation, page 5-1
Removing and Replacing the Fan Tray, page5-3
Removing and Replacing the Air Filter, page5-4
Removing and Replacing AC or DC Power System Components, page5-6
Removing a Chassis from the Equipment Rack, page5-8
Installing a Replacement Chassis in the Equipment Rack, page5-8

Prerequisites and Preparation

Before you perform any of the procedures in this chapter, be sure that you:
Review the Safety Guidelines, page1-2.
Read the safety and ESD-prevention guidelines described in the Compliance and Safety
Information, page 1-3, and the Regulatory Compliance and Safety Information for the Cisco ASR
9000 Aggregation Services Router.
Ensure that you have all the necessary tools and equipment before beginning the procedure.

Field Replaceable Units

These components are field replaceable units (FRUs):
Chassis
Power modules
Fan tray
Modular port adapters
Gigabit Ethernet small form-factor pluggable transceiver modules (SFPs)
10-Gigabit Ethernet small form-factor pluggable transceiver modules (XFPs)