Overview
All of the fan and power supply modules must have the same direction of airflow. Otherwise, the switch
Note
can overheat and shut down. If you are installing a dual-directional power supply, that module will
automatically use the same airflow direction as the other modules in the switch.
If the switch has port-side intake airflow (burgundy coloring for fan modules), you must locate the ports
Caution
in the cold aisle. If the switch has port-side exhaust airflow (blue coloring for fan modules), you must
locate the ports in the hot aisle. If you locate the air intake in a hot aisle, the switch can overheat and shut
down.
Cisco Nexus 93120TX NX-OS Mode Switch Hardware Installation Guide
4
Overview