Allied Telesis AT-PWR06, AT-DC2552XS RJ-45 Twisted Pair Port Pinouts, MDI Signal, MDI-X Signal

Stack Installation Guide for AT-2552XS L2 Data Center Switch

RJ-45 Twisted Pair Port Pinouts

Figure 39 illustrates the pin layout of an RJ-45 connector and port.

Figure 39. RJ-45 Connector and Port Pin Layout

Table 17 lists the pin signals for 10 and 100 Mbps.

Table 17. Pin Signals for 10 and 100 Mbps

Pin	MDI Signal	MDI-X Signal
1	TX+	RX+
2	TX-	RX-
3	RX+	TX+
4	Not used	Not used
5	Not used	Not used
6	RX-	TX-
7	Not used	Not used
8	Not used	Not used

81