Table 8 lists the RJ-45 port pin signals when a twisted pair port is
operating in the MDI-X configuration.
Table 8. MDI-X Pin Signals (10Base-T or 100Base-TX)
Table 9 lists the RJ-45 connector pins and their signals when a
1000Base-T port is operating at 1000 Mbps.
Table 9. RJ-45 1000Base-T Connector Pinouts
Pin
AT-GS950/8, AT-GS950/16, and AT-GS950/24 Switches Installation Guide
Pin
Signal
1
RX+
2
RX-
3
TX+
6
TX-
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
53