The value of tmnxOesCtlCommsDownReason indicates the reason for the last time a loss of communication with the OES was detected. Values: unknownReason (0) - control communication failure for unknown reason adminReboot (1) - OES is rebooted via tmnxOesReboot noResponse (2) - no response was received for SNMP packet configFailed (3) - a SNMP SET, GET or GETNEXT during a configuration action did not complete correctly invalidSystem (4) - the OES sysObjectID does not contain the object identifier for a supported system invalidSoftware (5) - the OES software version is below the minimum supported version oesUnreachable (6) - OES is unreachable adminEcSwitchOver (7) - OES EC activity switch via tmnxOesChassisActivitySwitch ctlCommsUnprov (8) - missing or incomplete OES control communications provisioning clearActiveEcCard (9) - OES active EC clear via tmnxOesCardReboot