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HOWTO: Wire-Up an RJ/45 Ethernet Plug/Socket

 

10/100BaseT Network Interconnection
(looking into socket)
(nipple on bottom, number from left)
RJ-45 Plug RJ-45 Plug
Hub to Network Card (straight through cable)
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
 Network card to Network Card (crossover cable) 
1 - White/Orange 3 - White/Green
2 - Orange 6 - Green
3 - White/Green 1 - White/Orange
4 - Blue 4 - Blue
5 - White/Blue 5 - White/Blue
6 - Green 2 - Orange
7 - White/Brown 7 - White/Brown
8 - Brown 8 - Brown
Note the positions of the White/Green and White/Blue wires