The following table shows the standard RJ-45 receptacle/connector and their pin assignments.
RJ-45 Pin Specifications
RJ-45 Connector pin assignment
Contact
Media Direct Interface Signal
1
Rx +(receive)
2
Rx - (receive)
3
Tx + (transmit)
4
Not used
5
Not used
6
Tx - (transmit)
7
Not used
8
Not used
26