Cisco 10720 Configuration Guide - Page 123

CH A P T E R 5 Maintaining the Cisco 10720 Internet Router Overview This chapter contains information for maintaining the Cisco 10720 Internet Router. The router is built to order and is ready for installation and startup when it leaves the factory. After you install and configure the router, you might need to perform specific maintenance procedures or replace field-replaceable units (FRUs) to ensure that the router continues to operate properly. Caution You must power down the router prior to any procedure. Failure to do so can result in harm to you or damage to your router. Each of the following sections provide necessary information for successful removal and installation of FRUs in your router: • Safety Recommendations, page 5-1 • Required Tools and Equipment, page 5-2 • Disconnecting Power from the Router, page 5-3 • Connecting Power to the Router, page 5-7 • Removing and Installing the Router Chassis Cover, page 5-13 • Removing and Installing the Router Fan Assembly, page 5-16 • Removing and Installing the Route Processor Memory, page 5-26 • Removing and Installing the AC or Dual DC Power Supply, page 5-34 • Removing and Installing an Uplink Card, page 5-49 • Removing and Installing an Access Card, page 5-58 • Removing and Installing the Cable-Management System, page 5-68 Safety Recommendations Basic safety information is provided at the beginning of any procedure where safety can be an issue. Read and understand the safety information provided in the Regulatory Compliance and Safety Information for the Cisco 10720 Internet Router publication before attempting any maintenance procedure that involves manipulation to the router hardware that is shipped with your router. 78-13062-10 Cisco 10720 Internet Router Installation and Configuration Guide 5-1