Chapter 4
Removal and Replacement Procedures
Remove the replacement fan tray from its shipping packaging and place it near the chassis that you are
Step 1
working on.
Loosen the two captive installation screws on the installed fan tray.
Step 2
Grasp the fan assembly handle, and pull it outward; gently move the fan tray from side to side, if
Step 3
necessary, to unseat the fan tray power connector from the chassis connector. (See
Place your free hand under the fan tray to support it. Pull the fan assembly clear of the chassis, and set
Step 4
it aside. (See
Figure 4-4
Installing the Fan Tray
You have 30 seconds to install the replacement fan tray before the system automatically shuts down.
Note
To install the new fan tray, follow these steps:
Position the replacement fan tray in front of the fan tray bay at the rear of the chassis. (See
Step 1
Slide the fan tray into the fan tray bay until the power connector seats in the chassis fan connector and
Step 2
the captive installation screws make contact with the chassis. The fans should immediately power up.
Tighten the two fan tray captive installation screws to secure the fan tray in the chassis.
Step 3
Verify that the FAN LED on the chassis front panel is lit green.
Step 4
OL-21561-02
Figure
4-4.)
Removing and Installing the Fan Tray
PWR - 540
AC
100 - 240
VAC
7 - 3A
50 - 60 Hz
INP UT
OUT PUT
OK
OK
PWR - 540
AC
100 - 240
VAC
7 - 3A
50 - 60 Hz
INP UT
OUT PUT
OK
OK
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
Removing and Installing the Fan Tray
Figure
4-4.)
Figure
4-11
4-4.)