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Cat V Wiring

The basic pin assignments for wiring a cat V network cable.
The diagrams below show standard wiring for 100BaseT cables, if you are only using 10Base then you can ignore pins 4,5,7 and 8.

Cat5 100Base T Pin assignments
Pin 1 is left end with clip down

Straight 100BaseT
    _____
   /	1: White-Orange
  /	2: Orange
_/ 	3: White-Green
	4: Blue
_	5: White-Blue
 \ 	6: Green
  \	7: White-Brown
   \____8: Brown


X-Over 100BaseT 

1 White-Green
2 Green
3 White-Orange
4 Blue
5 White-Blue
6 Orange
7 White-Brown
8 Brown

100 base T4 X-Over -I've no idea what it's ever used for!

1 White-Green
2 Green
3 White-Orange
4 White-Brown
5 Brown
6 Orange
7 Blue	
8 White-Blue

Last Updated Aug 11 2016