Ethernet RJ45 Socket 10baseT Colour Code T568B
Pin No Description Colour
1_____TX +_______Orange/White
2_____TX -_______Orange
3_____RX +_______Green/White
4________________Blue
5________________Blue/White
6_____RX -_______Green
7________________Brown/White
8________________Brown
_________________________________

RJ45 Cross Over Cable 10baseT
RJ45 Male RJ45 Male
1__________3
2__________6
3__________1
6__________2
______________________________________

RJ45 100base-T4 Crossover male to male
Name______Pin__Pin__Name
TX_D1+____1____3____RX_D2+
TX_D1-____2____6____RX_D2-
RX_D2+____3____1____TX_D1+
RX_D2-____6____2____TX_D1-
BI_D3+____4____7____BI_D4+
BI_D3-____5____8____BI_D4-
BI_D4+____7____4____BI_D3+
BI_D4-____8____5____BI_D3

It’s important that each pair is kept as a pair. TX+ & TX- must be in
the pair, and RX+ & RX- must together in another pair etc. (Just as
the table above shows).

Ethernet RJ45 Socket 10baseT Colour Code T568A

‘A’ Colour	Signals	Pin#	‘B’ Colour
Green / White	TX+	1	Orange / White
Green	TX-	2	Orange
Orange / White	RX+	3	Green / White
Blue		4	Blue
Blue / White		5	Blue / White
Orange	RX-	6	Green
Brown / White		7	Brown / White
Brown	8		Brown