Installing The Dc Power Supply - Cisco CISCO7201 Installation And Configuration Manual

Cisco systems router installation and configuration guide

Table of Contents

Chapter 4

Replacing Cisco 7201 Field-Replaceable Units

Figure 4-10

The DC return connection to this system is to remain isolated from the system frame and chassis (DC-I).

Caution

Step 1

On the front of the router, turn the power switch to the standby (|) position.

Step 2

Switch the circuit breaker to the off position, and tape the switch handle to the off position.

Step 3

Pull the terminal block plug from the terminal block.

Step 4

Locate the DC power supply grounding stud.

Step 5

Remove the nut, ground lug, star washer, ground lug, and star washer and save for reuse on the new DC

power supply.

Step 6

Move the power up restrictor to the left to gain access to the upper power supply captive installation

screw.

Step 7

Use a Number 2 Phillips screwdriver to unscrew the upper power supply captive installation screw.

Step 8

Unscrew the lower power supply captive installation screw on the lower left of the power supply.

Step 9

Grasping the captive installation screws, pull the power supply from the chassis.

This complete the procedure for removing the DC power supply.