What is PoE – Power over Ethernet? - World Leader in Low Voltage Cables
Power over Ethernet - Wikipedia
Power over Ethernet (POE) Explained - Understanding and using POE
Napájanie po ethernete PoE
Power over Ethernet - Wikipedia, the free encyclopedia - PDF Free Download
Inside of an ethernet cable, what are the wires specifically used for? I know that the orange and green pair are used for pins 1,2,3,6 sending/receiving but what about pins 4,5,7,8 blue,