Cisco 10720 Configuration Guide - Page 138

Removing and Installing the Router Fan Assembly Figure 5-17 Securing the Router Cover Chapter 5 Maintaining the Cisco 10720 Internet Router 57672 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Using a Number 1 Phillips screwdriver, secure the router cover with four screws. (See Figure 5-17.) Reinstall the router on a rack, wall, or desktop. Reinstall all interface cables. Reconnect the AC power cord or rewire the DC power supply. (See the "Connecting the AC Power Supply" section on page 5-7 and "Connecting the DC Power Supply" section on page 5-9.) After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the on position. Power up -) the router. The internal power supply fan should also power up. Removing and Installing the Router Fan Assembly The following sections provide information for removing, installing, and troubleshooting the router fan assembly: • Safety, page 5-16 • Required Tools and Equipment, page 5-17 • Removing the Fan Assembly, page 5-17 • Installing the Fan Assembly, page 5-21 • Verifying Fan Assembly Functionality, page 5-26 • Troubleshooting the Fan Assembly, page 5-26 Safety Before performing this procedure, read the following caution: Caution Power down the router before working on it and secure the router cover completely before remounting the router. 5-16 Cisco 10720 Internet Router Installation and Configuration Guide 78-13062-10