Cisco Systems OL-6256-17 manual Removing a PDU, What to Do Next

Chapter 2 Installing and Removing Power Components

How to Install or Remove Fixed Configuration Power Components

What to Do Next

After performing this task, install the DC PEMs or AC rectifiers (see the “Installing a DC PEM or AC Rectifier” section on page 2-22).

Note After installing a DC PDU, you need to connect the DC input wiring before installing the DC PEMs. For more information, see the “Installing DC PDU Cables” section on page 2-19.

Removing a PDU

This section describes how to remove a PDU in the Cisco CRS 8-slot line card chassis. For information on the difference between the power types, see the “DC Power Systems” section on page 2-6and the “AC Power Systems” section on page 2-11.

The PDU is located at the back of the chassis. Although there are differences among the different PDU types (AC Wye, AC Delta, and DC), they are installed in the same manner. Figure 2-10shows a fixed configuration AC Wye PDU.

Figure 2-10 Fixed Configuration AC Wye PDU

122288

Prerequisites

Before performing this task, remove any front cosmetic covers, power down and remove the DC PEMs or AC rectifiers, and unplug the PDU. See the “How to Install or Remove Fixed Configuration Power Components” section on page 2-13, and the “Removing a DC PEM or AC rectifier” section on

page 2-23.

If you are removing a DC PDU, see the “DC Power Systems” section on page 2-6; if you are removing an AC PDU, see the “AC Power Systems” section on page 2-11for more information.

Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Installation Guide

OL-6256-17 2-17