Cisco ASR 1000 series Hardware Installation Manual page 502

Removing and Replacing the Cisco ASR 1004 Router Power Supplies
Removing the DC Power Supply from the 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.
power supply terminal block.
Step 4 Remove the slotted plastic cover from the terminal block.
Figure 14-51
1
2
a.
b.
c.
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
14-72
Cisco ASR 1004 Router DC Power Supply Terminal Block
1 2 3 4
4
Negative terminal
Positive terminal
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.
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.
Follow Step 4b and remove the negative cable.
Chapter 14 Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
3 Ground stud
4
Terminal block plastic cover screws
Figure 14-51 shows the DC
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