16.6. RJ45 Connector's Pin Arrangement and Cable Color Codes

Category 5 twisted pair cable for LAN
(CAT5-UTP)
RJ45 pin No.
To Control/Monitor terminal
1
2
5
6
3
4
7
8
RJ45 pin No. Cable color Cable color
(for T568B) (for T568A)
Orange/white Green/white
Orange Green
Green/white Orange/white
Blue Blue
Blue/white Blue/white
Green Orange
Brown/white Brown/white
Brown Brown
8
7
6
5
4
3
2
1
18