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What is Power over Ethernet?

Power over Ethernet ( PoE ) is also called PoE power supply , which is a technology that can transmit power and data to the device through twisted pair wires in Ethernet.
With this technology,
PSE provides 44 ~ 57V voltage, about 350
The PSE terminal provides a voltage of 50 ~ 57V and a DC power supply of about 600mA. Each port must provide at least 30W of power. After 100 meters of CAT-5 cable, the PD terminal must receive at least 25.5 W.
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