Ethernet Pin Outs

Straight through

T568A to T568A

Cross over

T568A to T568B

 T568A

Pair 1: pin 4,5

Pair 2: pin 3,6

Pair 3: pin 1,2

Pair 4: pin 7,8

T568B

Pair 1: pin 4,5

Pair 2: pin 1,2

Pair 3: pin 3,6

Pair 4: pin 7,8

Posted in Network Engineering