Cisco XR 12410 - Manual (Page 129)

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Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
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Chapter 3 Installing the Cisco XR 12410 Router
Connecting Power to the Router
Use the following procedure to connect the DC source power cables to a 2800 W
DC powered router.
Step 1 Remove the clear plastic safety cover that fits over the DC power connection
terminal studs.
Note Safety covers for 2800 W PDUs use an upper and lower, 2-piece design.
Step 2 Connect the 2800 W DC power cables in the following order ( Figure 3-31 ):
a. Ground cables first.
b. Positive cables next.
c. Negative cable last.
d. Repeat steps a, b, and c for the other PDU.
Warning To prevent injury and damage to the equipment, always attach the ground and
source DC power cable lugs to power shelf terminals in the following order:
(1) ground to ground, (2) positive (+) to positive (+), (3) negative (–) to
negative (–).