Ethernet Pin-Out Guide

March 23, 2008

RJ45 (ethernet) Pin-Out guide

How to wire a 10BaseT or 100BaseT connector with Category 5 cable and RJ45 connectors using USOC 568B wiring standards.

EIA/TIA 568B (straight through cable)

Wiring Standard

PIN

Wire Color

1

White/Orange Stripe

2

Orange

3

White/Green Stripe

4

Blue

5

White/Blue Stripe

6

Green

7

White/Brown Stripe

8

Brown

EIA/TIA T568B (crossover cable)

Wiring Standard

Pin (End #1)

Wire Color

Pin (End #2)

Wire Color

1

White/Orange

1

White/Green

2

Orange

2

Green

3

White/Green

3

White/Orange

4

Blue

4

White/Brown

5

White/Blue

5

Brown

6

Green

6

Orange

7

White/Brown

7

Blue

8

Brown

8

White/Blue

Use the follwing diagram for pin referencing.

PinOut