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Creating own usb to rs422 cable adapter

Discussion in 'General Electronics Discussion' started by Lilo, Jun 27, 2015.

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  1. Lilo


    Jun 26, 2015
    Hey guys, I was just wondering if it is possible to create your own usb to rs422 cable adapter/converter. I am trying to figure out which 4 pins of the rs422 I would need to combine with the usb pins, granted it is possible to just solder wires together. Any help would be appreciated thanks.
  2. AnalogKid


    Jun 10, 2015
    The USB and RS-422 protocols and data formats are completely different. The 4 RS-422 connections are transmit+, transmit-, receive+, and receive-. The 4 USB pins are +5V power, data out, data in, and Ground.

    You are describing a simple connector adapter, but an RS-422 USB device has a microcontroller inside of it programmed to perform the data conversion.

    hevans1944 likes this.
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