Appendix A: Technical Specifications
Table 4 lists the RJ-45 pin signals when a twisted pair port is operating in the MDI configuration.
Table 4. MDI Pin Signals (10Base-T or 100Base-TX)
Pin | Signal |
| |
| |
1 | TX+ |
| |
2 | TX- |
| |
3 | RX+ |
| |
6 | RX- |
| |
Table 5 lists the RJ-45 port pin signals when a twisted pair port is operating in the MDI-X configuration.
Table 5. MDI-X Pin Signals (10Base-T or 100Base-TX)
Pin | Signal |
| |
| |
1 | RX+ |
| |
2 | RX- |
| |
3 | TX+ |
| |
6 | TX- |
| |
Table 6 lists the RJ-45 connector pins and their signals when a 1000Base-T port is operating at 1000 Mbps.
Table 6. RJ-45 1000Base-T Connector Pinoutsa
Pin | Pair | Signal |
| | |
| | |
1 | 1 | TX and RX+ |
| | |
2 | 1 | TX and RX- |
| | |
3 | 2 | TX and RX+ |
| | |
4 | 3 | TX and RX+ |
| | |
5 | 3 | TX and RX- |
| | |
6 | 2 | TX and RX- |
| | |
7 | 4 | TX and RX+ |
| | |
8 | 4 | TX and RX- |
| | |
a. Bi-directional data on each pair.
