Allied Telesis AT-SBx31CFC960 - Manual (Page 278)

Chapter 13: Replacing Modules
278
Replacing the AT-SBxFAN12 Fan Module
This section contains the procedures for replacing the AT-SBxFAN12 Fan
Module. The module is 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 line cards and power supplies
may overheat if the chassis 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 an authorized service technician should replace the fan
module.
Removing the
AT-SBxFAN12
Fan Module
To remove the fan module from the chassis, perform the following
procedure:
Note
Steps 1 to 3 are optional. They disable the fan module with the
DISABLE FANMODULE command so that the controller card does
not generate an alarm when you remove the old module.
1. Start a management session on the chassis. For instructions on how
to start a local management session, refer to “Starting a Local
Management Session” on page 214.
2. At the command prompt, enter the DISABLE FANMODULE command
to disable the module.
3. Log off to end your management session.
4. If necessary, disconnect or reroute network cables that are blocking
access to the fan module.
5. Use a #2 Phillips head screwdriver to loosen the screw at the base of
the fan module. Refer to Figure 172 on page 279.