TWISTED PAIR WIRING TABLES
Page A-5
Table A-2. Twisted Pair Wiring
from a Punch Down Block to a 10Base-T Device
From Punch Down
Block
To RJ-45
Wallplate
Into
Office
Drop
Into
10BASE-T
Device
Port 12/24
Pin
Pin
Pin
B45 Violet/Green
RX+
1 TX+
1 TX+
1 TX+
B46 Green/Violet
RX-
2 TX-
2 TX-
2 TX-
B47 Violet/Brown
TX+
3 RX+
3 RX+
3 RX+
B48 Brown/Violet
TX-
6 RX-
6 RX-
6 RX-
Port 11/23
Pin
Pin
Pin
B41 Violet/Blue
RX+
1 TX+
1 TX+
1 TX+
B42 Blue/Violet
RX-
2 TX-
2 TX-
2 TX-
B43 Violet/Orange
TX+
3 RX+
3 RX+
3 RX+
B44 Orange/Violet
TX-
6 RX-
6 RX-
6 RX-
Port 10/22
Pin
Pin
Pin
B37 Yellow/Brown
RX+
1 TX+
1 TX+
1 TX+
B38 Brown/Yellow
RX-
2 TX-
2 TX-
2 TX-
B39 Yellow/Gray
TX+
3 RX+
3 RX+
3 RX+
B40 Gray/Yellow
TX-
6 RX-
6 RX-
6 RX-
Port 9/21
Pin
Pin
Pin
B33 Yellow/Orange
RX+
1 TX+
1 TX+
1 TX+
B34 Orange/Yellow
RX-
2 TX-
2 TX-
2 TX-
B35 Yellow/Green
TX+
3 RX+
3 RX+
3 RX+
B36 Green/Yellow
TX-
6 RX-
6 RX-
6 RX-