4-11
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Removing a DC-Input Power Supply
This section describes how to remove a DC-input power supply.
Required Tools
You will need the following tools to perform this procedure:
•
A Phillips screwdriver
•
A 10-mm wrench/socket
Removal Procedure
Warning
Before performing any of the following procedures, ensure that power is
removed from the DC circuit.
Statement 1003
Follow these steps to remove a DC-input power supply:
Step 1
Turn off the in-line power switch. (Single input only. The triple-input power
supply does not have this switch.)
Step 2
Turn off the main power switch.
Step 3
Verify that power is off to the DC circuit on the power supply you are removing.
Step 4
Loosen the screw on the terminal block cover and remove it from the terminal
block (see
Figure 4-11
or
Figure 4-12
). The triple-input power supply has two
screws on the cover.