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Chapter 3: Installing the Switch and Modules
54
Replacing Fan
Module
The AT-FAN06 fan module is hot swappable within the chassis. The
power to the chassis can remain ON while one of the fan modules is
replaced. The following procedure assumes a second AT-FAN06 fan
module is already installed and operating.
Perform the following procedure to replace an AT-FAN06 fan module:
Warning
The chassis cooling is designed to operate with two fan modules
operating together. To avoid overheating of the AT-DC2552XS
chassis, please complete the following procedure within one minute.
1. Loosen the captive screws on the AT-FAN06 fan module.
2. Gently pull the handle of the AT-FAN06 fan module to remove it from
the chassis.
3. Slowly insert the new AT-FAN06 fan module into the vacant fan slot
until it is flush with the front of the chassis.
The new AT-FAN06 fan module immediately powers up assuming the
chassis power supplies are turned on.
4. Tighten the captive screws to fasten the fan module to the chassis.
See Figure 23.