StarTech.com USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable

StarTech.comSKU: SY3123686
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Sale price$171.69

The ICUSB2321FIS 1-Port FTDI USB to Serial RS232 Adapter Cable with Optical Isolation converts an available USB 1.1 or 2.0 port into an RS232 DB9 port that can be used to connect, monitor and control your serial devices.

The USB to serial adapter features integrated optical isolation circuits and surge protection to protect your critical, sensitive control equipment against electrical damage, making it a viable solution for costly industrial serial devices.

The versatile FTDI chipset also supports COM retention, additional customization/features, and compatibility not offered by most other solutions. Broad operating system compatibility including Windows®, Windows CE, Mac OS and Linux, makes this product easy to integrate into mixed environments.

Backed by a StarTech.com 2-year warranty and free lifetime technical support.

More from the Manufacturer


  • 8-foot cable length for connecting to devices without having to be too close
  • Designed to make serial port expansion quick and easy
  • Powered by the USB port - no external power adapter required
  • Baud Rate up to 921.6 Kbps
  • Compatible with Windows?, Mac OS and Linux
  • COM Port assignments maintained across reboot
  • Integrated FTDI USB UART Chip
  • 500W Bi-Directional Surge Protection Circuits
  • Integrated 2500Vrms Optical Isolation Circuits
  • USB to Straight-Through RS232 Serial Adapter

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