What pairs are actually needed to power a Hikvision Cam | IP CCTV Forum for IP Video, network cameras & CCTV software
Which of the 8 pins/wires of an ethernet cable does the data transmission and which does the receiving? - Quora
![120/240VAC Input, 18V 18W Gigabit Passive PoE Inserter, PoE Pinout: 4,5V+; 7,8V-, UL1950, Shielded and Surge Protected, Includes Removeable US Power Cord: Amazon.com: Industrial & Scientific 120/240VAC Input, 18V 18W Gigabit Passive PoE Inserter, PoE Pinout: 4,5V+; 7,8V-, UL1950, Shielded and Surge Protected, Includes Removeable US Power Cord: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61OL4NVLhWL._AC_UF1000,1000_QL80_.jpg)
120/240VAC Input, 18V 18W Gigabit Passive PoE Inserter, PoE Pinout: 4,5V+; 7,8V-, UL1950, Shielded and Surge Protected, Includes Removeable US Power Cord: Amazon.com: Industrial & Scientific
![networking - Do RJ45s need to be wired differently to enable POE (Power over ethernet)? - Super User networking - Do RJ45s need to be wired differently to enable POE (Power over ethernet)? - Super User](https://i.stack.imgur.com/Jd3wO.png)