Hot-swappable Fan Module, Front-to-Back Airflow through the S5860-20SQ

The cooling systems in S5860-20SQ switch, each consists of two fan modules, provide front-to-back (air exhausts through the back of the switch) airflow depending on the fan modules and power supplies installed in the switch. Fan modules for S5860-20SQ switch are hot-insertable and hot-removable field-replaceable units, you can remove and replace the module without interrupting normal switch operation.