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Looking for a way to connect a serial device to the USB port on your PC or Mac? Our USB High Speed Serial Adapter provides a simple and reliable solution. This adapter is broadly recommended by serial device manufacturers due to its dependability and “Best in Class” compatibility.
  • Certified: Microsoft WHQL approved
  • High Speed: Supports 230 Kbps – twice the speed of a built in serial port
  • Detachable Cable: Use adapter with any USB cable (up to 5 meters long)
  • LED: Shows adapter status and data activity
  • Plug & Play: Appears as standard COM port
  • Mobile: Easy to carry – weighs just 2 oz.
  • Bus Powered: No external power adapter required
  • Analytic Tools: Includes Windows line monitor and data trace software
  • Field Upgrade: Easy to update over time with free software downloads
  • Easy Expansion: Supports use of multiple adapters on one PC

RS-232 to USB Adapter

RS-232 to USB Adapter
In Stock

Part No. 901041


  • Works with Windows ( up to WIN8 ) and Mac OS (including v10.8 Mountain Lion)
  • Connects RS-232/DB9 (male) to USB Type A (male)
  • Detachable 3-ft. cable included
  • No external power source required
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