70
A
PPENDIX
B: P
IN
-
OUTS
RJ-45 Pin
Assignments
Pin assignments are identical for 10BASE-T and 100BASE-TX RJ-45
connectors.
Table 11
Pin assignments
Table 12
Pin assignments
Pin Number
10BASE-T/100BASE-TX
1000BASE-T
Ports configured as MDI
1
Transmit Data +
Bidirectional Data A+
2
Transmit Data -
Bidirectional Data A-
3
Receive Data +
Bidirectional Data B+
4
Not assigned
Bidirectional Data C+
5
Not assigned
Bidirectional Data C-
6
Receive Data –
Bidirectional Data B-
7
Not assigned
Bidirectional Data D+
8
Not assigned
Bidirectional Data D-
Pin Number
10BASE-T/100BASE-TX
1000BASE-T
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 D+
5
Not assigned
Bidirectional Data D-
6
Transmit Data -
Bidirectional Data A-
7
Not assigned
Bidirectional Data C+
8
Not assigned
Bidirectional Data C-