Cisco Systems XR 12410 Instalační manuál stáhnout pdf (Strana 188)

Chapter 5 Maintaining the Router

Removing and Replacing AC and DC Power Subsystem Components

5-24

Cisco XR 12410 Router Installation Guide

OL-13832-01

Use the following procedure to remove and replace a DC PEM.

Step 1 Set the power switch to the off (0) position.

Step 2 Power off the circuit breaker assigned to the PEM you are removing.

Warning

To ensure that power remains off while you are performing this procedure, tape

the circuit breaker switch in the off (0) position.

Step 3 Remove the PEM from the chassis (Figure 5-15):

a. Loosen the captive screw on the ejector lever.

b. Pivot the lever down to eject the PEM from its bay.

c. Slide the PEM out of its bay while supporting it with your other hand.

Warning

The DC PEM weighs approximately 14 pounds (6.35 kg). Use two hands to

remove the power supply.

Figure 5-15 Removing a DC PEM

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Cisco Systems XR 12410 Instalační manuál Strana 188