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Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide
OL-13208-03
Chapter 8 Replacing Cisco ASR 1000 Series Routers Field-Replaceable Units
Removing and Replacing a DC Power Supply in Cisco ASR 1004 Router
Removing the DC Power Supply From Cisco ASR 1004 Router
Before you can remove a DC power supply from the Cisco ASR 1004 Router, you must remove power
from the power supply. Follow these steps to remove power and the DC power supply from the chassis.
Step 1 Make certain that the chassis ground is connected before you begin removing the DC power supply.
Step 2 Switch the power supply circuit breaker switch to Off (O).
Step 3 Locate the terminal block on the rear of the chassis on the power supply. Figure 8-24 shows the DC
power supply terminal block.
Step 4 Remove the slotted plastic cover from the terminal block.
Figure 8-25 Cisco ASR 1004 Router DC Power Supply Terminal Block
a. Loosen and remove the two #10 screws from the plastic cover. The plastic cover has slots that help
to slide it out towards the right.
b. Using a nut driver (7/16 size), unscrew the positive kepnut, positive cable, and the flat washer, in
that order. The terminal block houses two double-hole barrel lugs.
c. Follow Step 4b and remove the negative cable.
4
1 2 3 4
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1 Negative terminal 3 Earth ground stud
2 Positive terminal 4 Terminal block plastic cover screws