Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 148

Removing and Replacing the Power Supply
Figure 5-22
4
1
Captive installation screw
2
DC power cable terminal block
3 Status LEDs
4 DC power cable terminal block cover
5
Cable holder cover
6
Ground
Remove the two screws securing each of the cable holder covers, and remove the cable holder covers off
Step 3
the cable holders
Disconnect the DC-input wires from the terminal block
Step 4
Positive (+)
•
Negative (-)
•
Ground
•
Remove the two tie-wraps from the ground cable. If there is a long cable tie securing the cable holders
Step 5
as shown in
Warning When installing the unit, the ground connection must always be made first and disconnected last.
Loosen the captive installation screws on the power supply
Step 6
Use both hands to install and remove power supplies. Each PWR-2700-DC DC-input power supply
Caution
weighs 14.1 pounds (6.4 kg).
Cisco 7600 Series Router Installation Guide
5-20
DC-Input Front Panel for 2700-W DC-Input Power Supply
1
-V E -1
-V E -1
-V E -2
-V E -2
6
5
(Figure 5-22).
Figure 5-22, remove that as well.
Chapter 5
2
3
P W R -2
7 0 0 -D C
/6
IN P U T1
IN P U T2
O K
FA N
O K O U TP U
48 V- 60
V
O K
48 V- 60
FA IL
=4 0A V
=4 0A
A LL FA
S TE N E
P R IO R R S M U
TO O P S T B E
E R A TI FU LL Y
N G TH E N G A
E P O W G E D
E R S U
P P LY
8
9
10
7
7
Cable holder cover
8
Cable holder
9 Tie-wrap
10 Cable holder
11 Tie-wrap
(Figure 5-22) in this order:
(Figure
Removal and Replacement Procedures
T
11
5-22).
OL-4503-26