Patent ID: 8892915
Filing Date: 2014-11-18
Classification: G06F,H04L

Abstract:
1. A method of power over Ethernet, comprising: setting a power supply port of a power sourcing equipment (PSE) to a sleep state, and setting a timer for the power supply port, wherein the PSE comprises a plurality of power supply ports, one timer is set for each power supply port; and in the sleep state, each power supply port of the PSE consumes no power; enabling the power supply port when the timer reaches a set time; and detecting whether a powered device (PD) is connected to the power supply port, and if a PD is connected to the power supply port, triggering the power supply port to supply power to the PD; if no PD is connected to the power supply port, setting the power supply port to the sleep state, and setting the timer for the power supply port again.