... needed, plug and play3. Single chip(ASIC) USB port to serial port communication4. Transmit distance reach up to 1800M ... :USBCompliance: USB1.1/2.0 compliantConnector: USB type ASpeed: 12Mbps(Full-speed USB)Serial interfaceNumbers of ports: 1Serial standards: RS485/ ... MarkFlow Control: RTS/CTS, XON/XOFFFIFO: 128bytesSerial SignalsRS-485: D+,D-,GNDRS-422: T+, R+, T-, R-,GNDLoading: 32 nodes ...