Ethernet Cable Color Scheme
For RJ-45 Ethernet Plug and Twisted Pair Cable (10baseT and 100baseT)
Straight cable (T-568B)
In a straight cable both ends are wired as follows:
Crossover cable (T-568A)
In a crossover cable one end is wired as for the
straight one (T-568B scheme), the other end is wired as follows: