Rj-45 Twisted Pair Port Pinouts - Allied Telesis AT-9408LC/SP Installation Manual

Appendix A: Technical Specifications

RJ-45 Twisted Pair Port Pinouts

80
Figure 31 illustrates the pin layout of an RJ-45 connector and port.
Figure 31. RJ-45 Connector and Port Pin Layout
Table 13 lists the pin signals when a port is operating in the MDI
configuration at 10 or 100 Mbps.
Table 13. MDI Pin Signals - 10 or 100 Mbps
Table 14 lists the pin signals when a port is operating in the MDI-X
configuration at 10 or 100 Mbps.
Table 14. MDI-X Pin Signals - 10 or 100 Mbps
The MDI/MDI-X setting is established automatically when a port is set to
Auto-Negotiation. If a port's speed and duplex are set manually, the MDI/
MDI-X setting defaults to the MDI-X setting.
Pin 1
Pin Signal
1 TX+
2 TX-
3 RX+
6 RX-
Pin Signal
1 RX+
2 RX-
3 TX+
6 TX-