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C2653M (6/07) 29
Appendix. RJ-45 Connector Pinouts
Figure 7 illustrates RJ-45 MDI/MDI-X connector pinouts.
Figure 7. RJ-45 MDI/MDI-X Connector Pinouts
Table D summarizes RJ-45 MDI/MDI-X connector pinouts.
Table D. RJ-45 MDI/MDI-X Connector Pinouts
Pin Number
MDI
(Normal Mode)
MDI-X
(Crossed Mode)
1RX+ TX+
2RX- TX-
3 TX+ RX+
4 Not used Not used
5 Not used Not used
6 TX- RX-
7 Not used Not used
8 Not used Not used
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
MDI (NORMAL MODE) MDI-X (CROSSED MODE)
RX+
RX-
TX+
TX-
RX+
RX-
TX+
TX-