Fault Monitoring Device Having Radio Maintenance Communication Function And Fault Monitoring Method

Abstract: An outdoor fault monitoring device performs radio maintenance communication with a maintenance terminal located at a remote location and a fault monitoring function unit monitors for faults in the primary function unit of the device. When a fault is detected the fault monitoring function unit activates a radio maintenance function unit. When no faults have occurred the fault monitoring function unit disables the radio maintenance communication function unit. In this case the fault monitoring function unit may be configured so as to detect the disconnection of radio maintenance communication and disable the radio maintenance communication function unit. As a result security against communication interference and the like by malicious third parties can be improved. Further as no unnecessary radio communication is performed suppressed power consumption and reduced processing load are achieved.

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