ORing's managed/lite-managed PoE Switch could be configured to monitor the real-time status of connected power devices (P.D.s). ORing's managed/lite-managed PoE Switch could send alive-checking packets to assure the connected P.D.s are in working state. If the connected P.D.s fail to response, ORing's managed/lite-managed PoE switch could reset the connected P.D.s to assure the reliability of the network.