Appendix. RJ-45 Connector Pinouts
Figure 7 illustrates RJ-45 MDI/MDI-X connector pinouts.
MDI (NORMAL MODE) |
TX-
TX+ 
RX- 
RX+ 
8
7
6
5
4
3
2
1
| 8 |
| 7 |
RX- | 6 |
| 5 |
| 4 |
RX+ | 3 |
TX- | 2 |
TX+ | 1 |
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
| MDI |
|
Pin Number | (Normal Mode) | (Crossed Mode) |
|
|
|
1 | RX+ | TX+ |
|
|
|
2 | RX- | 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 |
|
|
|
C2653M (6/07) | 29 |
