Two fan module options are available for the Extreme 8820-40C switches:
Part number XN-FAN-003-F provides front-to-back airflow for 8820-40C switch cooling.
Part number XN-FAN-003-R provides back-to-front airflow for 8820-40C switch cooling.
Two fan module options are available for the Extreme 8820-80C switches:
Part number XN-FAN-004-F provides front-to-back airflow for 8820-80C switch cooling.
Part number XN-FAN-004-R provides back-to-front airflow for 8820-80C switch cooling.
The Extreme 8820-40C models can include up to six redundant, hot-swappable fan modules (5+ 1 redundancy). The Extreme 8820-80C models can include up to four redundant, hot-swappable fan modules (3+ 1 redundancy).
Note
The operating system software cannot display the airflow direction.
Remove a Fan Module
Use the following instructions to remove a fan module.
Gently pull the tab (labeled Air Out or Air In) on the end of the fan module.
The fan module is held in place by spring clips. As you pull, the clips disengage and the fan stops.
Slide the fan module out of the switch and set it aside.
Install a Fan Module
Use the following instructions to install a fan module.
Verify that the airflow direction on the replacement fan module matches that of the installed power supplies and any fan modules.
Fan modules labeled Air In provide back-to-front airflow.
Fan modules labeled Air Out provide front-to-back airflow.
Carefully slide the replacement fan module into the switch.
Note
Do not force the installation. If the fan assembly does not slide in easily, ensure that it is correctly oriented before continuing.
Push until the fan module snaps into place. The fan automatically starts to operate.
