5-29
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-32
DC-Input Front Panel for 4000-W DC-Input Power Supply
Note
Figure 5-32
shows PWR-4000-DC with an outer terminal block cover; an earlier version of this power
supply does not have an outer terminal block cover. To order a retrofit kit use part number
CVR-4000DC-TERM=.
Step 3
Remove the two A4 screws securing the outer terminal block cover, and remove the cover from the power
supply (
Figure 5-32
).
Step 4
Cut any cable tie-wraps being careful not to cut the DC-input wires.
Note
The 4000 W DC-input power supply provides voltages of 2700 W or 4000 W for single and redundant
configurations. Some configurations require cable tie-wraps. For more information, refer to
Installing a
PWR-4000-DC Power Supply in a Cisco 7609 Router or a Cisco 7609-S Router, page 5-70
.
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.
Note
You must remove three terminal block covers for the 4000 W DC-input power supply.The
left-side inner terminal block cover has two securing screws and the right-side inner terminal
block cover has one securing screw.
1
Inner terminal block cover
7
Power switch
2
Plastic insulator
8
Outer terminal block cover
3
DC power cable terminal block 2 (TB2)
9
Inner terminal block cover
4
Ground
10
Plastic insulator
5
Status LEDs
11
DC power cable terminal block 1 (TB1)
6
Captive installation screw
INPUT OK
FAN
OK
OUTPUT
FAIL
I
0
101397
1
3
2
5
11
6
3
1
10
+
VE-1
-VE-1
+
VE-2
-VE-2
+
VE-3
-VE-3
8
7
9
4
2