Before revision: + Two pairs crossed, two pairs uncrossedT1 crossover Pin Connection 1: T568A180px Connection 2: T568B180px Pins on plug face pair color pair color 1 260px|Pair 2 Tipwhite/orange stripe 160px|Pair 1 Ringblue solid 250px 2 260px|Pair 2 Ringorange solid 160px|Pair 1 Tipwhite/blue stripe 3 360px|Pair 3 Tipwhite/green stripe 360px|Pair 3 Tipwhite/green stripe 4 160px|Pair 1 Ringblue solid 260px|Pair 2 Tipwhite/orange stripe 5 160px|Pair 1 Tipwhite/blue stripe 260px|Pair 2 Ringorange solid 6 360px|Pair 3 Ringgreen solid 360px|Pair 3 Ringgreen solid 7 460px|Pair 4 Tipwhite/brown stripe 460px|Pair 4 Tipwhite/brown stripe 8 460px|Pair 4 Ringbrown solid 460px|Pair 4 Ringbrown solid A 56K DDS cable uses T568B pairs 02 and 04 , so a crossover cable for these devices swaps those pairs (pins 01, 02, 07, and 08 are connected to 07, 08, 01, and 02 respectively)
After revision: + Two pairs crossed, two pairs uncrossedT1 crossover Pin Connection 1: T568A180px Connection 2: T568B180px Pins on plug face pair color pair color 1 260px|Pair 2 Tipwhite/orange stripe 160px|Pair 1 Ringblue solid 250px 2 260px|Pair 2 Ringorange solid 160px|Pair 1 Tipwhite/blue stripe 3 360px|Pair 3 Tipwhite/green stripe 360px|Pair 3 Tipwhite/green stripe 4 160px|Pair 1 Ringblue solid 260px|Pair 2 Tipwhite/orange stripe 5 160px|Pair 1 Tipwhite/blue stripe 260px|Pair 2 Ringorange solid 6 360px|Pair 3 Ringgreen solid 360px|Pair 3 Ringgreen solid 7 460px|Pair 4 Tipwhite/brown stripe 460px|Pair 4 Tipwhite/brown stripe 8 460px|Pair 4 Ringbrown solid 460px|Pair 4 Ringbrown solid A 56K DDS cable uses T568B pairs 2 and 4 , so a crossover cable for these devices swaps those pairs (pins 1, 2, 7, and 8 are connected to 7, 8, 1, and 2 respectively)