Extreme Networks ExtremeSwitching 5420 Series Installation Manual page 90

Replace a Fan Module
2. Slide the fan module out of the switch and set it aside.
Figure 49: Removing a Fan Module
3. Verify that the airflow direction on the replacement fan module matches that of the
installed fan modules.
Fans with front-to-back airflow are labeled Air Out. Fans with back-to-front airflow
are labeled Air In.
4. Carefully slide the replacement fan module into the switch.
Figure 50: Installing a Fan Module
5. Align and fully tighten the captive retaining screws.
90 ExtremeSwitching 5420 Series Hardware Installation Guide
Replace Fan Modules