Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 197

Chapter 5 Removal and Replacement Procedures
Figure 5-73
DC power cable
terminal block
Warning Power supply captive installation screws must be tight to ensure protective grounding continuity.
Step 5 Remove the two screws securing the terminal block cover, and slide the cover off of the terminal block
(Figure
Step 6 Attach the appropriate lugs to the DC-input wires. The maximum width of a lug is 0.300 inch (7.6 mm).
The wire should be sized according to local and national installation requirements. Use only copper wire.
Note
Connect the DC-input wires to the 2500 W power supply terminal block
Step 7
Ground
•
Negative (-)
•
• Positive (+)
Warning When installing the unit, the ground connection must always be made first and disconnected last.
OL-4503-26
2500 W DC-Input Power Supply Front Panel
Terminal block
cover
I
0
Power
switch
Captive installation
screw
5-73).
For 2500 W power supplies, use fine-stranded copper conductors rated for 45-degrees Celsius
for North American installations.
INP UT
FAN
OUT PUT
OK
OK
FAIL
Status LEDs
Cisco 7600 Series Router Installation Guide
Removing and Replacing the Power Supply
(Figure 5-74) in this order:
5-69