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Wiring from a Punchdown Block to a 10BASE-T Device
Table B-2 Punchdown Block to a 10BASE-T Device (Continued)
From Punchdown Block
Port 6
B21
Black/Blue
B22
Blue/Black
B23
Black/Orange
B24
Orange/Black
Port 5
B17
Red/Brown
B18
Brown/Red
B19
Red/Gray
B20
Gray/Red
Port 4
B13
Red/Orange
B14
Orange/Red
B15
Red/Green
B16
Green/Red
EMC39-12 User's Guide
To RJ45
Wallplate
Pin
RX+
3
RX+
RX-
6
RX-
TX+
1
TX+
TX-
2
TX-
Pin
RX+
3
RX+
RX-
6
RX-
TX+
1
TX+
TX-
2
TX-
Pin
RX+
3
RX+
RX-
6
RX-
TX+
1
TX+
TX-
2
TX-
To Office
To 10BASE-T
Drop
Device
Pin
Pin
3
RX+
3
6
RX-
6
1
TX+
1
2
TX-
2
Pin
Pin
3
RX+
3
6
RX-
6
1
TX+
1
2
TX-
2
Pin
Pin
3
RX+
3
6
RX-
6
1
TX+
1
2
TX-
2
RX+
RX-
TX+
TX-
RX+
RX-
TX+
TX-
RX+
RX-
TX-
TX-
B-7
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