How are the Color Codes 568A and 568B different?

568A and 568B are color code standards that show which color wire matches up with a specific position on an RJ45 connector. When designing a network infrastructure only one color code can be followed. All commercial and residential wiring in the US follows TIA 568B color code.

T568B Color Code
RJ45 Pin---Pair Color
1-------------White/Orange
2-------------Orange
3-------------White/Green
4-------------Blue
5-------------White/Blue
6-------------Green
7-------------White/Brown
8-------------Brown

T568A Color Code
RJ45 Pin---Pair Color
1-------------White/Green
2-------------Green
3-------------White/Orange
4-------------Blue
5-------------White/Blue
6-------------Orange
7-------------White/Brown
8-------------Brown

Released for:Schneider Electric Ireland