5-14
Cisco 7600 Series Router Installation Guide
OL-4503-24
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-14 DC-Input Front Panel for 2700-W DC-Input Power Supply
Step 3
Remove the two screws securing each of the cable holder covers, and remove the cable holder covers off
the cable holders (Figure 5-14).
Step 4 Disconnect the DC-input wires from the terminal block (Figure 5-14) in this order:
• Positive (+)
• Negative (-)
• Ground
Step 5 Remove the two tie-wraps from the ground cable. If there is a long cable tie securing the cable holders
as shown in Figure 5-14, remove that as well.
Warning
When installing the unit, the ground connection must always be made first and disconnected last.
Step 6 Loosen the captive installation screws on the power supply (Figure 5-14).
Caution Use both hands to install and remove power supplies. Each PWR-2700-DC DC-input power supply
weighs 13.5 pounds (6.6 kg).
1 Captive installation screw 7 Cable holder cover
2 DC power cable terminal block 8 Cable holder
3 Status LEDs 9 Tie-wrap
4 DC power cable terminal block cover 10 Cable holder
5 Cable holder cover 11 Tie-wrap
6 Ground
119629
PWR-2700-DC/6
-VE-1
-VE-1
-VE-2
-VE-2
IN
P
U
T1
O
K
48V
-60V
=40A
IN
P
U
T2
OK
48V-60
V
=40A
FAN
O
K
O
U
T
PU
T
FA
IL
ALL FASTENERS M
UST BE FULLY ENGAGED
PRIOR TO OPERATING THE PO
W
ER SUPPLY
3
2
6
4
10
1
8
5
7
11
9
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