T568B  |  T568A
    ===============
  orange/w 1 green/w
    orange 2 green
   green/w 3 orange/w
      blue 4 blue
    blue/w 5 blue/w
     green 6 orange
   brown/w 7 brown/w
     brown 8 brown
------------------------
  cross 10/100: A / B
------------------------
  Gigabit T568B cross
  ===================
  orange/w 1 green/w
    orange 2 green
   green/w 3 orange/w
      blue 4 brown/w
    blue/w 5 brown
     green 6 orange
   brown/w 7 blue
     brown 8 blue/w
------------------------
kabel k sobe, zobak dolu