The only difference between a and b wiring is that pairs 2 and 3 (orange and green) are swapped. Should i wire cat6 a or b? Color Coding Of Straight And Crossover Cable - Network Kings Ethernet Cable Color Coding Coding Identifying each pair is necessary because it carries different data through them. Ethernet color code cat6 . Cat 6 ethernet cable termination color code. As shown in the diagram above, the ta and tb wiring standards differ in one simple way: Ethernet has been taking over the world for the last few decades. This video lecture explains the pins and wiring in ethernet cables and rj45 plugs. Ethernet cabling made by cat5 and cat6 cables. The colors of cat5, cat5e, cat6 and cat6a ethernet cables represent a specific application or system such as network connectivity or equipment connections. There are wiring standards that you must follow, the t568a and t568b. Patch panels offer the most flexibility in a telecom closet. Here is the first side of the et...