Appendix A: Technical Specifications
RJ-45 Twisted Pair Port Pinouts
114
Figure 52 identifies pin 1 on an RJ-45 twisted pair port.
Figure 52. RJ-45 Port Pin Layout (Front View)
Table 25 lists the pin signals for a port operating at 10 or 100 Mbps.
Table 25. Pin Signals for RJ-45 Twisted Pair Ports at 10 and 100 Mbps
Pin
1
2
3
4
5
6
7
8
Table 26 lists the pin signals for a port operating at 1000 Mbps.
Table 26. Pin Signals for RJ-45 Twisted Pair Ports at 1000 Mbps
MDI Signal
MDI-X Signal
TX+
RX+
TX-
RX-
RX+
TX+
Not used
Not used
Not used
Not used
RX-
TX-
Not used
Not used
Not used
Not used
Pinout
Pair
1
Pair 1 +
2
Pair 1 -
Pin 1