Cisco XR 12406 User Manual

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Cisco XR 12406 Router Installation Guide

OL-13831-01

Chapter 5 Maintaining the Router

Removing and Replacing an AC Power Entry Module

Step 6

Plug the power supply cable into its AC outlet.

Step 7

Power on the circuit breaker to that AC outlet.

Step 8

Set the power switch to the On (1) position.

The AC Input and DC Output power indicators on the front of the power supply
should be on. If the indicators do not are not on, see the

Troubleshooting the AC Power Entry Module Installation

Use the following procedure to troubleshoot the AC PEM if it is not operating
properly after installation.

Step 1

Reseat the PEM and make sure that the:

–

Captive screws on the ejector levers are tightened securely.

–

Power switch is set to the On (1) position.

Step 2

Ensure that the router is powered on and that all power cords are connected
properly. Make sure that the:

•

Power cords on the back of the chassis are secured to the PDU with their
retention clips.

•

Power cords at the power source end are connected to a dedicated AC power
outlet.

–

Each AC power supply operating in the nominal range of 200 to 240 VAC
requires a minimum service of 20 A, North America (or 13 A,
international).

•

Source AC circuit breaker is switched on.