MIB: CISCO-ENTITY-FRU-CONTROL-MIB.
The object name: cefcFRUPowerOperStatus.
The Operational field-replaceable unit (FRU) Status types.
The valid values are:
-  offEnvOther (1): FRU is powered off because of a problem not listed below;
-  on (2): FRU is powered on;
-  offAdmin (3): administratively off;
-  offDenied (4): FRU is powered off because available system power is insufficient;
-  offEnvPower (5): FRU is powered off because of a power problem in the FRU. For example, the FRU's power translation (DC-DC converter) or distribution failed;
-  offEnvTemp (6): FRU is powered off because of temperature problem;
-  offEnvFan (7): FRU is powered off because of fan problems;
-  failed (8): FRU is in failed state;
-  onButFanFail (9): FRU is on but fan has failed;
-  offCooling (10): FRU is powered off because of the system's insufficient cooling capacity;
-  offConnectorRating (11): FRU is powered off because of the system's connector rating exceeded;
-  onButInlinePowerFail (12): The FRU is on but no inline power is being delivered as the data/inline power component of the FRU has failed.