Allied Telesis FS750 SERIES Installation Manual page 49

Table 18 lists the RJ-45 connector pins and their signals when a
1000Base-T port is operating at 1000 Mbps.
Table 18. RJ-45 1000Base-T Connector Pinouts
FS750 Series Fast Ethernet Switches Installation Guide
Pin Pair
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-
Signal
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