Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 164

Removing and Replacing the Power Supply
Turn the power switch to the Off (0) position on the power supply you are removing
Step 2
Turning the power switch off also disengages a pawl that unlocks the power supply from the chassis.
Figure 5-40
+ VE-1
- VE-1
+ VE-2
-
VE-2
Figure 5-40
Note
supply does not have an outer terminal block cover. To order a retrofit kit use part number
CVR-4000DC-TERM=.
1 Inner terminal block cover
2
Plastic insulator
3 DC power cable terminal block 2 (TB2)
4 Ground
5 Status LEDs
6
Captive installation screw
Remove the two A4 screws securing the outer terminal block cover, and remove the cover from the power
Step 3
supply
Cut any cable tie-wraps being careful not to cut the DC-input wires.
Step 4
The 4000 W DC-input power supply provides voltages of 2700 W or 4000 W for single and redundant
Note
configurations. Some configurations require cable tie-wraps. For more information, refer to
PWR-4000-DC Power Supply in a Cisco 7613 Router, page
Step 5 Remove the two screws securing the left inner terminal block cover and one screw securing the right
inner terminal block cover. Remove both inner terminal block covers.
Cisco 7600 Series Router Installation Guide
5-36
DC-Input Front Panel for 4000-W DC-Input Power Supply
11
10
9
+ VE-3
- VE-3
8
shows PWR-4000-DC with an outer terminal block cover; an earlier version of this power
(Figure 5-40).
Chapter 5
3
2
1
I
0
INPU T OK
FAN
OUTP UT
1
2 3 OK
FAIL
7
6 5
7 Power switch
8
Outer terminal block cover
9 Inner terminal block cover
10 Plastic insulator
11 DC power cable terminal block 1 (TB1)
5-91.
Removal and Replacement Procedures
(Figure 5-40).
4
Installing a
OL-4503-26