crimp a cable RJ45

Making a straight cable

 

To make a straight cable, the tips must be crimped typically the same way at each end by respecting the twisted pair size.

In general, the code used is:

1) orange-white
2) orange
3) green-white
4) Blue
5) blue-white
6) Green
7) brown-white
8) brown

Making a crossover cable

For a crossover cable, swap 1 with 3, and 2 with 6, in the list above. This gives:

1) green-white
2) green
3) orange and white    
4) Blue
5) blue-white
6) orange
7) brown-white
8) brown