USB to RS485 RS422 Serial module Converter Cable
Internal Chip:CH340
RS485: A+, B-, NC, NC, GND
RS422 : TXD+, TXD-, RXD+, RXD-, GND
LED Light prompts TXD and RXD Singnals
Length:1.5M Typical Applications
USB to serial RS485 level converter.
Upgrading legacy peripherals to USB.
Interface Microcontroller UART or I/O to USB.
Interface FPGA or PLD to USB.
USB Instrumentation PC interface.
USB industrial control.
USB password protected file transfers.
Note: The first time use the USB to RS485 adapter on your PC ,your must install VCP dirver,For the driver download and install ,please peference links:https://www.wch-ic.com/search?spm=a2g0o.detail.1000023.1.6520cSj7cSj7dE&t=all&q=CH340