... :DCD,RXD,TXD,DTR,GND,DSR,RTS,CTS RS-485:Data+,Data-,GND RS-422:TXD+,TXD-,RXD+,RXD-,GNDParity: None, Even ... control: RS485 side adopt ADDC technology, auto text and control data transfer directionLoading: RS-485/422 side support 32 nodes (customize 128 ...