Overview
20
RJ-45 Port PinoutsThe pin assignments of an RJ-45 10Base-T/100Base-TX connector and
port are illustrated in Figure 3.
Figure 3. RJ-45 10Base-T/100Base-TX Connector Pin Assignments
Table 2 lists the RJ-45 10Base-T/100Base-TX connector pins and their
signals when the port is operating in either MDI or MDI-X configuration.
Table 2. RJ-45 Port Pinouts
Pin MDI
Signal
MDI-X
Signal
1TX+ RX+
2TX- RX-
3RX+ TX+
6RX- TX-
8
8
11