Replace Fan Modules; Pre-Installation Requirements; Airflow Direction Requirements; Replace A Fan Module - Extreme Networks ExtremeSwitching 5420 Series Installation Manual

Replace Fan Modules

Pre-Installation Requirements

Airflow Direction Requirements

Replace a Fan Module

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
5420 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.
Replace a Fan Module
To replace the fan module in a switch, do the following:
1. Completely loosen the captive retaining screws on the fan module.
On most switch models, the fan module has two retaining screws at the bottom
corners of the module, as shown in
On some switch models, the fan module has a single retaining screw at the top right
corner of the module.
on page 89
on page 89
on page 89
Figure 49.
ExtremeSwitching 5420 Series Hardware Installation Guide 89