Cisco XR 12410 User Manual

Page 197

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5-25

Cisco XR 12410 and Cisco XR 12810 Router Installation Guide

OL-17441-01

Chapter 5 Maintaining the Router

Removing and Replacing AC and DC Power Subsystem Components

Step 4

Install the new DC PEM into the chassis (

Figure 5-16

):

a.

Slowly push the power supply into the chassis until it mates with the
backplane connector at the back of the bay.

Caution

To prevent damage to the power shelf backplane connector, do not use excessive
force when inserting a power supply into the chassis.

b.

Lift the ejector lever into place and tighten the captive screw to securely seat
the power supply to the backplane connector.

Figure 5-16

Installing a DC PEM

Step 5

Power on the circuit breaker.

Step 6

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

The (green) Pwr OK indicator on the front of the power supply should light. If the
indicator does not light, see the

“Troubleshooting a 2800 W DC PEM Installation”

section on page 5-26

.

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