Cisco 7609-S Installation Manual page 85

Chapter 5 Removal and Replacement Procedures
Note
Step 8
Warning
Figure 5-6 DC-Input Power Supply Connectors
Power leads attached
to terminal block
(+) Positive
( - ) Negative
( ) Ground
Power
switch
DC-input power supply
with the terminal block
cover removed
OL-5079-04
For 2500W power supplies, use 90-degree C copper conductors for North
American installations.
Connect the DC-input wires to the terminal block (see
following order:
Ground
•
Negative (–)
•
Positive (+)
•
When installing the unit, the ground connection must always be made first
and disconnected last.
DC-input cable
I
0
INP UT
OK
Captive
installation
screw
Removing and Replacing the Power Supply
FA N
OU TP UT
OK
FA IL
Cisco 7609 Internet Router Installation Guide
Figure 5-6) in the
5-11