Cavo convertitore da USB a RS-485 RS-422 4.9FT adattatore da USB a RS485 RS422
This adapter adopts adual-chip design featuring the CH340 (Nanjing Qinheng Microelectronics) and a TI RS485 chip. USB to RS485/422 Adapter Cable Instructions. Built-in Power and Data (TX/RX) indicator lights for easier debugging.