Router Installation Guide

Chapter 5 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
5-30
Cisco XR 12410 Router Installation Guide
OL-13832-01
Step 5 Disconnect the DC power cables from their terminals in the following order and
note the color of each cable (
Figure 5-18):
a. Negative cables first.
b. Positive cables next.
c. Ground cable last.
d. Repeat steps a, b, and c for the other PDU.
e. Go to Step 6.
Warning To prevent injury and damage to the equipment, always remove the source DC
power cables and ground from the power shelf terminals in the following order:
(1) negative (–), (2) positive (+), (3) ground.