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

RJ-45 Twisted Pair Port Pinouts

Figure 32 illustrates the pin layout of an RJ-45 connector and port.
Figure 32. RJ-45 Connector and Port Pin Layout
Table 9 lists the pin signals when a port is operating in the MDI
configuration at 10 or 100 Mbps.
Table 9. MDI Pin Signals - 10 or 100 Mbps
Table 10 lists the pin signals when a port is operating in the MDI-X
configuration at 10 or 100 Mbps.
Table 10. 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.
AT-9400 Series Layer 2+ Gigabit Ethernet Switches Installation Guide
Pin 1
Pin Signal
1 TX+
2 TX-
3 RX+
6 RX-
Pin Signal
1 RX+
2 RX-
3 TX+
6 TX-
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