Cisco 7600-SIP-400 - SPA Interface Processor 400 Installation Manual page 152

Removing and Replacing the Power Supply
Figure 5-26
DC power cable
terminal block
Remove the two screws securing the terminal block cover, and slide the cover off the terminal block
Step 3
(Figure
Disconnect the DC-input wires from the terminal block
Step 4
Positive (+)
•
• Negative (-)
• Ground
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Cisco 7600 Series Router Installation Guide
5-24
DC-Input Front Panel for 2500-W DC-Input Power Supply
Terminal block
cover
I
0
Power
switch
Captive installation
screw
5-26).
INP UT
FAN
OUT PUT
OK
OK
FAIL
Status LEDs
(Figure
Chapter 5 Removal and Replacement Procedures
5-27) in this order:
OL-4503-26