Cisco Catalyst 4500 Series

Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
4-12
Catalyst 4500 Series Switches Installation Guide
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Figure 4-11 DC-Input Power Supply
Figure 4-12 DC Triple-input Power Supply
Captive screw
Captive screw
In-line power switch
Serial communication
connector
Main power switch
Terminal block
79160
154726
Power switch 1, 2, 3
Terminal block
Ground lugs
Input OK 1, 2, 3 LEDs
Fan OK LED
Output Fail LED
1
-
+
-
+
-
+
2
3
Captive screw
Captive
screw
Minus (-)
Plus (+)