Cisco Systems XR 12410 Instalační manuál stáhnout pdf (Strana 181)

5-17

Cisco XR 12410 Router Installation Guide

OL-13832-01

Chapter 5 Maintaining the Router

Removing and Replacing AC and DC Power Subsystem Components

Troubleshooting the AC Power Supply Installation

Use the following procedure to troubleshoot the AC power supply if it is not

operating properly after installation.

Step 1 Make sure the power supply is seated properly:

• Eject and reseat the PEM. Make sure:

–

The captive screw on the ejector lever is tightened securely.

–

The power switch is set to the on (1) position.

Step 2 Make sure the router is powered on and that all power cords are connected

properly:

• Power cords on the horizontal trough are secured in place with their retention

clips.

• Power cords at the power source end are securely plugged into their own

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.

Step 3 Check the power supply status indicators:

• Pwr OK (green)—Indicates that the power supply is operating normally, and

the source AC voltage is within the nominal operating range of 200

VA C t o

240

VAC. This indicator lights when the power supply switch is set to the on

(1) position.

–

If the Pwr OK indicator remains off after checking all of the power

sources, replace the power supply with a spare.

–

If the spare power supply does not work, replace its PDU.

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Cisco Systems XR 12410 Instalační manuál Strana 181