DIY USB to Serial Adapter

Written by arnold fischer
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DIY USB to Serial Adapter
Use a USB-to-serial converter. (USB clear cable image by Monika 3 Steps Ahead from

A serial port is a communication device that computers use to talk to external devices to allow programming. This comes in handy where you have a device that uses an Internet Protocol address but it is already programmed on a different scheme than what you are already using. It is much easier to change the device than to change your entire network scheme. New laptops no longer always come with a serial port, and since most technicians out in the field use laptops, it is essential to use the USB converter.

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Things you need

  • USB-to-serial converter
  • Serial male-to-female extension cable

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  1. 1

    Purchase a USB-to-serial cable converter from a computer store. This is a very specific device and it probably would not be found in a local retail shop, so check online.

  2. 2

    Install the software drivers included with the USB converter so it can talk to the computer. Once it is installed, reboot the system and plug the cable in to the USB port.

  3. 3

    Attach the serial extension cable to the USB converter and connect it to the device you want to manage. Read the instructions that the manufacturer recommends to configure your communication software to talk to the device.

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