USB to RS-485 / RS-422 Converter
ADA-I9141

USB to RS-485 / RS-422 Converter* The prices are given in the response to the offer.
ADA-I9141 converts USB to RS-485/RS-422 standard without interference of data format and it is automatically detected by PC system after connecting to USB network (Plug&Play device). ADA-I9141 uses data transmission lines Rx, Tx & GND (signal ground) for communication with other RS485/422 devices.
This converter doesn`t require external power supply (it is powered from USB bus) and it uses asynchronous baud rate up to 921600 kbps (Profibus up to 1500000 kbps).
A-type USB Mail plug (or USB cable with A-type connector) enables simple connection to computer and on other side simple connection the RS485/422 Bus provide plug-in screw terminal block.
Drivers ADA-I9141 after installation, create in operating system additional COM port on the next free number e.g. COM3. Can be use as standard COM port, it isn`t hardware port but virtual, created in Windows system and some applications running in DOS (use this port), can operate improperly.
For ADA-I9141 converter, are available serial virtual ports drivers for operation systems:
  • Windows: 98, ME, NT, 2000, XP, Vista, 7, 2008, 8, 8.1, 10, 11; Windows CE,
  • Windows Server: 2003, 2008 R2, 2012 R2, 2016,
  • Linux: from Ubuntu 11.10, kernel 3.0.0-19 drivers implemented in system kernel,
  • Raspbian - Raspberry Pi,
  • Mac: OS X 10.3 to 10.8, OS X 10.9 and other.
Support ended for Windows 98, ME, NT system.