5-20
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-22
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 5-22
).
Step 4
Disconnect the DC-input wires from the terminal block (
Figure 5-22
) 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 5-22
, 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 5-22
).
Caution
Use both hands to install and remove power supplies. Each PWR-2700-DC DC-input power supply
weighs 14.1 pounds (6.4 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
INPUT1
OK
48V-60V
=40A
INPUT2
OK
48V-60V
=40A
FAN
OK
OUTPUT
FAIL
ALL F
ASTENER
S MUST BE FULL
Y ENGA
GED
PRIOR T
O OPERA
TING TH
E POWER SUPPL
Y
3
2
6
4
10
1
8
5
7
11
9