Cisco 7609-S Installation Manual page 81

Chapter 5 Removal and Replacement Procedures
Figure 5-3
DC power cable
Step 4 Disconnect the DC-input wires from the terminal block (see
following order:
•
•
•
Warning When installing the unit, the ground connection must always be made first
and disconnected last.
OL-5079-04
DC-Input Power Supply Front Panels
terminal block
Power
switch
Captive installation
Positive (+)
Negative (–)
Ground
Removing and Replacing the Power Supply
Terminal block
cover
I
0
INP UT
FAN
OU TPU T
OK
OK
FAI L
Status LEDs
screw
Cisco 7609 Internet Router Installation Guide
Figure 5-4) in the
5-7