Patent ID: 9405341
Filing Date: 2016-08-02
CPC Classification: G06F,H04L

Claim Text:
1. An Ethernet power source equipment (PSE) comprising: a processor; a plurality of power over Ethernet (POE) ports; a plurality of port modules, each of the port modules connected to each of the POE ports, respectively, and each of the port modules supplying power to a powered device (PD) via each of the POE ports; a switch module connected to the processor and the plurality of port modules, the switch module connecting the processor to, or disconnecting the processor from each of the port modules according to control signals output by the processor so that the processor can selectively communicate with each of the port modules; a detection circuit connected to the processor and the plurality of POE ports, the detection circuit determining whether each of the POE ports is connected to the PD or not, to output a detection signal corresponding to each of the POE ports; and a power supply module supplying power to the processor, the plurality of port modules, the switch module, and the detection circuit; wherein the processor controls operation states of the plurality of port modules and the switch module according to the detection signals output by the detection circuit.