Switch User Manual
9
The table below shows the 10BASE-T/100BASE-TX MDI-X and MDI 
port pinouts. 
Pin   MDI-X Signal Name   MDI Signal Name  
1  Receive Data plus (RD+)  Transmit Data plus (TD+)  
2  Receive Data minus (RD-)  Transmit Data minus (TD-) 
3  Transmit Data plus (TD+)  Receive Data plus (RD+) 
6  Transmit Data minus (TD-)  Receive Data minus (RD-) 
4,5,7,8  Not used at 10/100 Mbps  Not used at 10/100 Mbps 










