Network Tools: Wiring Ethernet Cables

Steven Nikkel has an excellent tutorial: How to wire Ethernet Cables.

T568A T568B
Pin Wire Colour Pin Wire Colour
1 white/green white and green 1 white/orange white and orange
2 green green 2 orange orange
3 white/orange white and orange 3 green/white green and white
4 blue blue 4 blue blue
5 white/blue white and blue 5 white/blue white and blue
6 orange orange 6 green green
7 white/brown white and brown 7 white/brown white and brown
8 brown brown 8 brown brown
Standard cables have both ends the same, either T568A or T568B
To make a cross over cable you need one end T568A and the other end T568B
Notes