Pin Number Pair number Use Color
1 2 Transmit White with green stripe
2 2 Receive Green
3 3 Transmit White with orange stripe
4 1 Receive Blue
5 1 Transmit White with Blue stripe
6 3 Receive Orange
7 4 Transmit White with brown stripe
8 4 Receive Brown
Crossover cable (One end only other end same as straight through)
Pin Number Pair number Use Color
1 3 Transmit White with orange stripe
2 3 Receive Orange
3 2 Transmit White with green stripe
4 1 Receive Blue
5 1 Transmit White with blue stripe
6 2 Receive Green
7 4 Transmit White with brown stripe
8 4 Receive Brown
It doesn't look like what I have typed when posted it's a bit messed up but you can still read it.