The status of the redundant Power Supply Fan. notSupported means
this device does not support redundant power supplies, ok
means that the redundant power supply fan is running, notOk means
that the redundant power supply fan is not running, and
notMonitoring means that the status of the RPS is not being
monitored presently. RPS monitoring can be turned on via the
variable fanAndPsRpsMonitoringStatus, or by the command
SET SYSTEM RPSMONITOR=ON.