5-11
Cisco7609 Internet Router Installation Guide
OL-5079-04
Chapter5 Removal and Replacement Proc edures
Removing and Replacing the Power Supply
Note For 2500W power supplies, use 90-degree C copper conductors for North
American installations.
Step 8 Connect the DC-input wires to the terminal block (see Figure 5-6) in the
following order:
Ground
Negative (–)
Positive (+)
Warning
When installing the unit, the ground connection must always be made first
and disconnected last.
Figure5-6 DC-InputPower Supply Connectors
INPUT
OK
FAN
OK
OUTPUT
FAIL
I
0
18736
Power leads attached
to terminal block
(+) Positive
( - ) Negative
( ) Ground
Captive
installation
screw
DC-input power supply
with the terminal block
cover removed
Power
switch
DC-input cable