4-8
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Step 13
Check the power supply and system status from the system console by entering
show power
command.
For more information on this command, refer to the command reference publication for your switch.
Step 14
If the LEDs or
show power
command output indicate a power problem or other system problem, see
Chapter 5, “Troubleshooting,”
for more information.
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.