CHAPT ER
5-1
CiscoASR 9000 Series Aggregation Services Router Hardware Installation Guide
5
Replacing Cisco ASR 9000 Series 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.
Prerequisites and Preparation, page 5-1
Replacing the Chassis Air Filter, page5-4
Removing and Replacing the Fan Trays, page5-11
Removing and Replacing Power System Components, page5-12
Removing and Replacing Cards from the Chassis, page5-25
Removing a Chassis from the Equipment Rack, page5-27
Installing a Replacement Chassis in the Equipment Rack, page5-28

Prerequisites and Preparation

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