Cisco ASR 1013 Quick Start Manual page 31

You must have one power supply running at all times from each power supply zone and two power supplies from
Caution
each power supply zone to support redundancy. For setailed power sypply information about the Cisco ASR 1013
Router, see the Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide.
Make certain that the chassis ground is connected before you begin removing and installing the power supply.
Caution
Follow these steps to remove power and the DC power supply from the chassis.
Before servicing the power supply, switch the circuit breaker Off in your equipment area. As an additional precaution,
Step 1
tape the circuit breaker switch in the Off position.
Slip on the ESD-preventative wrist strap that was included in the accessory kit.
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.
Step 4
Figure 12 shows the DC power supply terminal block.
Figure 12 DC Power Supply Terminal Block
5
Negative terminal
1
Positive terminal
2
3 Terminal block plastic cover
Remove the slotted plastic cover from the terminal block
Step 5
cover. The plastic cover has slots that help to slide it out diagonally from the terminal block.
Step 6 Using a nut driver (7/16 size), unsrew the positive kepnut, positive cable
that order. The terminal block houses two double-hole barrel lugs.
1
2
-4 8 /- 6 0 V
4 0 A
T h is u n it
m ig h t h a v
e m o re th
a n o n e p o
w e r s u p p ly
4
c o n n e c ti o
3
n . A ll c o n
n e c ti o n s m
u s t b e re m
o v
Plastic cover slotted area
4
Terminal block plastic cover single screw
5
(Figure 12). Loosen and remove the single screw on the plastic
(Figure 13, callout 2) and the flat washer, in
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