REFERENCE INFORMATION
118
EIA/TIA-568A WIRING SCHEME
1
st
connector #
Color of wire
2
nd
connector #
1
white and green (TX+)
1
2
green (TX-)
2
3
white and orange (RX+)
3
4
blue
4
5
white and blue
5
6
orange (RX-)
6
7
white and brown
7
8
brown
8
EIA/TIA-568B WIRING SCHEME
1
st
connector #
Color of wire
2
nd
connector #
1
white and orange (TX+)
1
2
orange (TX-)
2
3
white and green (RX+)
3
4
blue
4
5
white and blue
5
6
green (RX-)
6
7
white and brown
7
8
brown
8
10.4. CROSSOVER CABLE WIRING SCHEME
A crossover cable is used to connect directly the network cards of two PCs. A crossover cable is
a cable, one end of which is crimped according to option 568A, and the other end according to
option 568B. The same wiring is used to connect the hubs.
1
st
connector #
Color of wire
2
nd
connector #
1
white and green (TX+)
3
2
green (TX-)
6
3
white and orange (RX+)
1
4
blue
4
5
white and blue
5
6
orange (RX-)
2
7
white and brown
7
8
brown
8