Chapter 5 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
5-30
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
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.