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Ethernet Port RJ-45 Pin Assignments 89
Ethernet Port RJ-45 Pin Assignments
Table 2 RJ-45 MDI Pin Assignments
Table 3 RJ-45 MDIX Pin Assignments
Pin Number 10/100 1000
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 10/100 1000
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-