Fan assembly overview

Following are important details that you should note about fan assemblies:

Three fan assemblies are installed in the device, containing two fans each, for a total of six fans.
The device requires 5 fans out of 6 functioning fans for operation.

Two fan assemblies are installed in the device, containing two fans each, for a total of four fans.
The device requires 3 fans out of 4 functioning fans for operation.

Fan assemblies with the following airflow directions can be installed. All fan assemblies must have the same airflow direction and match airflow direction of installed power supplies.
- Fan assembly with nonport-side air intake. Fans move air from the nonport side to the port side of the device.
- Fan assembly with nonport-side air exhaust. Fans move air from the port side to the nonport side of the device.
Fan assemblies can be removed and replaced without special tools.
The device can continue operation while one fan assembly is replaced if the fan assembly is replaced immediately.

The following figure illustrates fan assembly components.