StarTech 2 Port USB to RS232 RS422 RS485 Serial Adaptor with COM Retention

£71.59 includes FREE UK Postage (other delivery options available)

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UK - Shipping Included
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Others - £6.99
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Available for despatch 2-3 days



The ICUSB2324852 2-port, wall-mountable USB Serial Adapter lets you connect every type of serial device to your USB-enabled computer, whether it be for RS232, RS422, or RS485 communication. The adapter features a 9-pin (DB9) male and a 5-pin terminal block serial connector as well as dipswitch controls for easy port configuration with minimal software requirements. The adapter also supports using 2 ports simultaneously, including with mixed protocols; for example RS-232 on port 1, and RS-485 on port 2, or a number of other combinations.


For a convenient, and clean installation in an office or industrial setting, the RS232/RS422/RS485 USB Adapter is wall-mountable and fully powered via the host USB connection, providing power to the attached serial device without requiring an external power adapter.


1 year warranty




Case Colour



4.42cm (W) x 8.23cm (D) x 2.32cm (H) - Weight 0.32kg


  • Port 1 (DB9) configurable for RS232, RS422, or RS485; Port 2 (Terminal Block) configurable for RS422 or RS485
  • COM Port assignments maintained after reboot
  • Multiple interface modes, including: 4 wire RS422(TxD+/-, RxD+/-), and 2 wire RS485 (DATA+, DATA-)
  • Both ports can function simultaneously with mixed or matched communication protocols

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Catalogue No: EL-04033940