RJ45 plug colour codes

RJ45 Colour Code TIA/EIA 568A

T-568A was originally designed to keep compatibility with the old telephone cables.

RJ45 Colour Code TIA/EIA 568B

T-568B was designed to provide better protection against crosstalk and interference and is the preferred standard except when making crossover cables where one plug is A and the other is B.

RJ45 Pin NoColour Wire
1Green White
2Green
3Orange White
4Blue
5Blue White
6Orange
7Brown White
8Brown
RJ45 Pin NoColour Wire
1Orange White
2Orange
3Green White
4Blue
5Blue White
6Green
7Brown White
8Brown