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APPENDIX B: TWISTED PAIR WIRING TABLES
B.1 TWISTED PAIR WIRING FROM AN EMC38-12 TO A
PUNCH DOWN BLOCK
Note: Pins 25 and 50 on the Champ connector are not used.
Table B-1. EMC38-12 to a Punch Down Block
From
EMC38-12
Port 12
Pin
TX+
48
TX-
23
RX+
49
RX-
24
Port 11
Pin
TX+
46
TX-
21
RX+
47
RX-
22
Port 10
Pin
TX+
44
TX-
19
RX+
45
RX-
20
Port 9
Pin
TX+
42
TX-
17
RX+
43
RX-
18
Page B-2
Into and Out of 50
Pin Feeder Cable
Pin
48 Violet/Green
23 Green/Violet
49 Violet/Brown
24 Brown/Violet
Pin
46 Violet/Blue
21 Blue/Violet
47 Violet/Orange RX+
22 Orange/Violet RX-
Pin
44 Yellow/Brown
19 Brown/Yellow
45 Yellow/Gray
20 Gray/Yellow
Pin
42 Yellow/Orange TX+
17 Orange/Yellow TX-
43 Yellow/Green
18 Green/Yellow
Into Punch Down
Block
Pin
TX+
A45 Violet/Green
TX-
A46 Green/Violet
RX+
A47 Violet/Brown
RX-
A48 Brown/Violet
Pin
TX+
A41 Violet/Blue
TX-
A42 Blue/Violet
A43 Violet/Orange RX+
A44 Orange/Violet RX-
Pin
TX+
A37 Yellow/Brown TX+
TX-
A38 Brown/Yellow TX-
RX+
A39 Yellow/Gray
RX-
A40 Gray/Yellow
Pin
A33 Yellow/Orange TX+
A34 Orange/Yellow TX-
RX+
A35 Yellow/Green
RX-
A36 Green/Yellow
EMC38-12 USER'S GUIDE
TX+
TX-
RX+
RX-
TX+
TX-
RX+
RX-
RX+
RX-
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