Users Guide



3TXD 

4DTR  

5GND

6DSR  

7RTS 

8CTS 

9RI 

10GND

 9 .   RS-485/RS-422   



1TXD–  A

2TXD+  B

3RXD+  B

4RXD–  A

5GND

6  

7  

8  

9  

10GND

 10 .   RS-485   



1Data– (–) TX/RX

2Data+ (+) TX/RX

3  

4  

5GND