Cisco 6400 Maintaining page 44

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Replacing an AC Power Entry Module

This section describes procedures for removing and installing an AC power entry module (PEM) plug-in

unit in the Cisco 6400 chassis

Figure 5-35 AC Power Entry Module

POW ER

FAUL T

There are two PEM power bays in the system for redundancy. The PEM power bays are located at the

front left side of the chassis:

•

The circuits are identified at the power terminals on the backplane.

Note

Before working on equipment that is connected to power lines, remove jewelry (including rings,

Warning

necklaces, and watches). Metal objects will heat up when connected to power and ground and

can cause serious burns or weld the metal object to the terminals.Translations of this warning can

be found in the Regulatory Compliance and Safety Information document that accompanied this

device.

Cisco 6400 Hardware Installation and Maintenance Guide

5-44

The top bay is wired to power circuit A

The bottom bay is wired to power circuit B

(Figure

5-35).

Chapter 5

Maintaining the Cisco 6400

OL-2133-02

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