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Key Features & Specifications

  • Full speed USB 2.0 (12MBit/s) TMC 488.2 compliant
  • High performance
    - 32 opto-isolated Input lines
    - Input voltage: 0 to 24V
  • Plug-and-play installation and configuration
  • Edge detection
  • Digital filter
  • Compatibility with a wide range of ADEs, including Keysight VEE, LabVIEW and Microsoft® Visual Studio®


The Keysight U2122A USB Digital I/O is a small and cost-effective device with it’s offering of 32 opto-isolated digital lines. The U2122A enables quick and easy setup with Full Speed USB 2.0— so you can just plug the module in, without the hassle of opening up your computer chassis. With high voltage protection, edge detection and digital filtering, the U2122A is ideal for industrial automation and control. Giving users more choices, the U2122A is compatible with a wide range of application development environments such as Keysight VEE, NI LabVIEW and Microsoft® Visual Studio®.

Compare Keysight USB Digital I/O in a side-by-side comparision.

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