Patent ID: 8320120

Claim:
A reversible air flow system comprising: a fan tray assembly coupled with a chassis, said chassis configured to be mounted on a datacenter rack; a removable fan and bracket assembly oriented in a first direction and coupled with said fan tray assembly, said removable fan and bracket assembly configured to be removable from said fan tray assembly and configured to be recoupled with said fan tray assembly in a second direction opposite said first direction; an air duct coupled with said removable fan and bracket assembly and coupled with a first surface of said chassis, said air duct configured to enable an exchange of air between said removable fan and bracket assembly and said first surface of said chassis, said exchange of air generated by at least one fan of said removable fan and bracket assembly; and a sensor coupled with said fan tray assembly, said sensor configured for coupling with at least one bracket of said removable fan and bracket assembly when said removable fan and bracket assembly is oriented in said first direction.