RJ45 Wiring
Poycom, Inc.
The following table sshows the assignments of wire pairs to plug and socket
pins of the RJ45 cable.
Table A-1
RJ45 cable wiring
Pin
Pair
Wiring
1
2
tip
2
2
ring
3
3
tip
4
1
ring
5
1
tip
6
3
ring
7
4
tip
8
4
ring
Connector
Connector
A
B
1
5
1
5
2
6
0
4
0
4
2
6
2
7
3
7
A
Connector
Connector
D
C
9
13
9
13
10
14
8
12
8
12
10
14
11
15
11
15
29
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