Three fan module options, with front-to-back or back-to-front airflow, are supported on the switch.
Fan modules are ordered separately for models 5520-24T-BASE, 5520-24T-ACDC, 5520-24X- BASE, 5520-24X-ACDC, 5520-48T-BASE, 5520-48T-ACDC, 5520-48SE-BASE, and 5520-48SE-ACDC. Fan modules are included with other models.
For information on installing or replacing a fan module, see Replace Fan Modules.
LEDs on the front panel of the switch provide information on the unit's operational status. See Monitor the Switch for details.