5-39
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Step 1
Verify that power is off to the DC circuit connected to the DC-input power supply you are removing.
Step 2
Turn the power switch to the Off (0) position on the power supply you are removing (
Figure 5-43
).
Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.
Figure 5-43
DC-Input Front Panel for 6000-W DC-Input Power Supply
Note
With the PWR-6000-DC power supply, you have the option of removing the Input Power Module (IPM)
without disconnecting the DC-input wires and the ground wires. You can then replace your power supply
and insert the fully-wired IPM. To use this option, do not perform steps 3 through 6 and go to step 7.
Step 3
Remove the two A4 screws securing the terminal block cover, and remove the cover from the power
supply (
Figure 5-43
).
1
Terminal block cover
6
Captive installation screw
2
DC power cable terminal block
7
Input Power Module (IPM)
3
Ground
8
IPM captive screws
4
Status LEDs
9
IPM latches
5
Power switch
R
U
N
IN
S
TA
LL
CISCO SYSTEMS,
INC
1
2
3
4
INPUT OK
FAN
OK
OUTPUT
FAIL
1
2
3
4
5
6
7
9
9
8