Ocenon Technical Note
Common Cable Pin-outs

Here's some common pin-outs for cables that you may need to build. Don't forget to keep as much of each pair's twist right up to the termination!

Straight Ethernet Cable

Pin	Main/Stripe	Pin	Main/Stripe
1	White/Orange	1	White/Orange
2	Orange	2	Orange
3	White/Green	3	White/Green
4	Blue	4	Blue
5	White/Blue	5	White/Blue
6	Green	6	Green
7	White/Brown	7	White/Brown
8	Brown	8	Brown

Cross-over Ethernet Cable

Pin	Main/Stripe	Pin	Main/Stripe
1	White/Orange	1	White/Green
2	Orange	2	Green
3	White/Green	3	White/Orange
4	Blue	4	Blue
5	White/Blue	5	White/Blue
6	Green	6	Orange
7	White/Brown	7	White/Brown
8	Brown	8	Brown

Loopback Ethernet Plug

Pin 1 to Pin 3
Pin 2 to Pin 6

Please send any comments regarding this article to technotes@ocenon.co.uk