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78
A
B: P
PPENDIX
IN
Modem Cable
RJ-45 Pin
Assignments
-
OUTS
9-pin to RS-232 25-pin
Pin assignments are identical for 10/100 and 1000 RJ-45 connectors.
Table 10 Pin assignments
Pin Number
Ports configured as MDI
1
2
3
4
5
6
7
8
10/100
Transmit Data +
Transmit Data +
Receive Data +
Not assigned
Not assigned
Receive Data –
Not assigned
Not assigned
1000
Bidirectional Data A+
Bidirectional Data A-
Bidirectional Data B+
Bidirectional Data C+
Bidirectional Data C-
Bidirectional Data B-
Bidirectional Data D+
Bidirectional Data D-
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