What is the T568B color code order? From pin 1 to pin 8: White/Orange, Orange, White/Green, Blue, White/Blue, Green, White/Brown, Brown. Pins 1 and 2 carry TX+ and TX−. Pins 4, 5, 7, and 8 are used for Power over Ethernet (PoE) and. The wires within these Ethernet cables are color-coded for easy identification and to maintain network consistency. Two main wiring standards are followed when. An RJ45 connector is a modular, eight-position, eight-pin connector used for terminating Cat5e or Cat6 twisted-pair cable. An RJ45 color code or “pinout” is a specific arrangement of wires that dictate how the connector is terminated. These color codes for RJ 45 plugs are.