Replace Fan Modules
Pre-Installation Requirements on page 82
Airflow Direction Requirements on page 82
Replace a Fan Module on page 83
For switches with replaceable fan modules, refer to the following information to replace the fan
modules.
Note
Read all of the information in this chapter thoroughly before attempting to replace a fan
module.
Pre-Installation Requirements
You need a 1/4-inch flat-blade screwdriver to replace a fan module.
Caution
Be sure to finish the replacement procedure promptly. The switch could overheat if left
without cooling for an extended period.
Airflow Direction Requirements
5720 Series switches are available with front-to-back airflow. In this switch, the fan modules are labled
Air Out.
All installed fan modules must blow air in the same direction and must match the airflow direction of
the installed power supplies.
82
ExtremeSwitching 5720 Series Hardware Installation Guide
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