Network Router User Manual

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