The diagrams below represent modular sockets viewed from the front with (in this case) the socket contacts at the top. The sequence of wire colours is the same for the modular cord (connecting the socket to the device), if the cord is viewed from the gold-contact side.
10 Base T Wiring Diagram
1 Blue/White 2 Blue 3 Orange/White 4 5 6 Orange 7 8
T568A Wiring Diagram
1 Green/White 2 Green 3 Orange/White 4 Blue 5 Blue/White 6 Orange 7 Brown/White 8 Brown
T568B Wiring Diagram
1 Orange/White 2 Orange 3 Green/White 4 Blue 5 Blue/White 6 Green 7 Brown/White 8 Brown
Token Ring Wiring Diagram
1 2 3 Orange/White 4 Blue 5 Blue/White 6 Orange 7
8
TP-PMD Wiring Diagram
1 Blue/White 2 Blue 3 4 5 6 7 Orange/White 8 Orange
USOC Wiring Diagram
1 Green/White 2 Orange/White 3 Blue 4 Blue/White 5 Orange 6 Green