DETAILED STEPS
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. The following figure shows the DC power
supply terminal block.
Step 4
Remove the slotted plastic cover from the terminal block.
Ground stud3Negative terminal1
Terminal block plastic cover
screws
4Positive terminal2
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.
Cisco ASR 1000 Series Router Hardware Installation Guide
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Removing and Replacing FRUs from the Cisco ASR 1000 Series Routers
Removing and Replacing a DC Power Supply in Cisco ASR 1004 Router