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