DB9-USB-RS232 modules

DB9-USB-RS232 range of modules provide a simple and fast method of migrating existing DB9 based RS232 connector interfaces to USB 2.0, without the need for any board re-design. The modules feature a USB2.0 mini-B connector on a module which fits a standard 9-pin DB9 connector footprint.

This is an archive article published 06/24/2010. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

Ideal for legacy applications which feature DB9 based RS232 connectors. The modules provide a method of extending the life-cycle of these products with USB2.0 connectivity, with minimal redesign.

  • Modules feature a USB2.0 ‘mini-B’ type connector.
  • Designed to fit a standard 9-pin DB9 based RS232 connector pin out.
  • Internal electronics to carry out full conversion between RS232 and USB.
  • USB to serial UART conversion handled by onboard FT232R IC with level shifters to provide RS232 signalling.
  • Module supplied complete with FTDI’s royalty free drivers.
    - Microsoft WHQL certified drivers for Windows Operating Systems.
    - Drivers also available for Linux and Mac OS.
    - VCP (Virtual COM port) and D2XX API based drivers available.
  • Male and female DB9 connector version available.
    - DB9-USB-M - Male connector version.
    - DB9-USB-F - Female connector version.

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Development Tools

DSUB9 based Converter USB/RS232, Female (not offered in your region)

Ord.number: 86924


1 pcs+ 21,00 €

10 pcs+ 19,40 €

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250 pcs+ 16,90 €

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in stock 0 pcs
(08/12/2022: 100 pcs)


Development Tools

DSUB9 based Converter USB/RS232, Male (not offered in your region)

Ord.number: 87210


1 pcs+ 20,70 €

10 pcs+ 19,10 €

50 pcs+ 18,60 €

100 pcs+ 17,90 €

250 pcs+ 16,70 €

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