RJ45 ethernet wiring

Notes

When using punch-down connectors as found in Keystone modules be sure you are using solid wire, not braided wire. Vampire (insulation-piercing connectors) work with braided wire.

RJ45 wired human pattern

pin 1	pin 2	pin 3	pin 4	pin 5	pin 6	pin 7	pin 8
Tx +	Tx -	Rx +			Rx -
white orange	orange	blue	green	white green	white blue	white brown	brown

RJ45 wired for T568B pattern (AT&T 258A) most common

pin 1	pin 2	pin 3	pin 4	pin 5	pin 6	pin 7	pin 8
Tx +	Tx -	Rx +			Rx -
white orange	orange	white green	blue	white blue	green	white brown	brown

RJ45 wired for T568A pattern

pin 1	pin 2	pin 3	pin 4	pin 5	pin 6	pin 7	pin 8
Tx +	Tx -	Rx +			Rx -
white green	green	white orange	blue	white blue	orange	white brown	brown

Crossover cable

To make a crossover cable wire one side with T568A and the other side with T568B.