Cisco 6509 - Catalyst Chassis Switch Installation Manual page 143

Chapter 4 Removal and Replacement Procedures
Removing a 950 W or 1400 W AC-Input Power Supply
Hazardous voltage or energy is present on the backplane when the system is operating. Use
Warning
caution when servicing. Statement 1034
In systems with redundant power supplies, you can replace the faulty supply while the system is
Note
operating.
This procedure covers the removal of the power supply only. For information on removing the power
Note
entry module (PEM), see the
on page
Follow these steps to remove a power supply:
Turn the power switch to the Off (0) position on the PEM for the power supply that you are removing.
Step 1
(Figure 4-1
chassis.)
Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord
Step 2
when it is still connected to the PEM.
Remove the power cord from the power connection on the PEM. Do not touch the metal prongs
Step 3
embedded in the PEM.
Loosen the captive installation screws on the power supply. (See
Step 4
and 6503-E switches.)
Grasp the power supply handle with one hand, and slide the power supply part of the way out of the
Step 5
chassis. Place your other hand underneath the power supply, as shown in
supply completely out of the chassis.
If the power supply bay is to remain empty, install a blank power supply filler plate (Cisco
Step 6
part number 800-16727-01 for the Catalyst 6503 and Catalyst 6503-E switches) over the opening, and
secure it with the captive installation screws.
OL-5781-04
"Removing and Installing the Power Entry Modules (PEMs)" section
4-51.
shows the location of the AC-input PEMs on the Catalyst 6503 and Catalyst 6503-E switch
Removing and Installing the AC-Input Power Supplies
Figure 4-2 for the Catalyst 6503
Figure
Catalyst 6500 Series Switches Installation Guide
4-3, and slide the power
4-3