Chapter 10: Replacing Modules
224
Replacing the AT-SBxFAN12 Fan Module
This section contains the procedures for replacing the AT-SBxFAN12 Fan
Module, located in the slot on the right side of the front panel.
Caution
Although the fan module is hot swappable and can be replaced
while the chassis is powered on, the chassis may overheat if it is
operated for more than one or two minutes without a fan module.
Warning
The fan module has hazardous moving parts. Keep fingers away
from moving fan blades.
Note
Only authorized service technicians should replace the fan module.
Caution
The fan module is heavy. Be sure to use both hands to hold the
module as you remove it from the chassis.

Removing the

AT-SBxFAN12

Fan Module

To remove the fan module from the chassis, perform the following
procedure:
1. If necessary, disconnect or reroute network cables that are blocking
access to the fan module.
2. Use a #2 Phillips head screwdriver to loosen the screw at the base of
the fan module. Refer to Figure 149 on page 225.