Extreme 8820 Series switches run with replaceable internal fan modules that provide the cooling needed for the switch to operate. The Extreme 8820-40C models can include up to six redundant, hot-swappable fan modules. The Extreme 8820-80C models can include up to four redundant, hot-swappable fan modules.The fan modules in the switch chassis can be removed and replaced without special tools. The device can continue operating during the replacement.
Switch fans are not responsible for cooling the power supplies; power supplies have integrated cooling fans that operate independently of the switch fan. The direction of the airflow in the fans and power supplies must be the same.
Fan modules are ordered separately for base models Extreme 8820-40C and Extreme 8820-80C. Fan modules are included with other models.