3com 4400 PWR User Manual
RJ-45 Pin Assignments
75
Table 11 Pin assignments
Pin Number
Signal
Function
Ports configured as MDIX
1
Receive Data +
Bidirectional Data B+
2
Receive Data -
Bidirectional Data B-
3
Transmit Data +
Bidirectional Data A+
4
Not assigned
Bidirectional Data A-
5
Not assigned
Bidirectional Data D+
6
Transmit Data
Bidirectional Data D-
7
Not assigned
Bidirectional Data C+
8
Not assigned
Bidirectional Data C-
DUA1720-3AAA07.book Page 75 Wednesday, March 17, 2004 1:14 PM