4-10
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Figure 4-13 Connecting the DC-Input Wires
Figure 4-14 Connecting the DC-Input Wires (Triple-input Power Supply)
Step 6 Using a screwdriver, loosen and remove the captive screws on the power supply. (See Figure 4-15, which
shows the single input power supply. The triple-input power supply has captive screws in the same
location.)
Figure 4-15 Loosening the Captive Screws
RS-485 serial
communnication
connector
79161
Grounding lug
Grounding lug nuts
DC-input wires
Negative
Positive
Ground
231892
1
-
+
-
+
-
+
2
3
Grounding lugs (2)
Grounding lug nut
DC-input wires
Negative
Positive
Ground
Captive screws
79162
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