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Key Features & Specifications

  • Easy connection to up to four RS-232 instruments or devices
  • Connects to the USB port on computer
  • Transfer up to 230Kbps on each RS-232 port
  • Fully compatible with Windows COM driver and industry-standard VISA IO software
  • Standard industry libraries with Keysight IO Libraries Suite


The Keysight E5805A USB/4-port RS-232 Interface provides a direct connection from the USB port on your notebook or desktop PC to up to four RS-232 instruments or devices.

To quickly establish instrument connection on a PC, download and install Keysight IO Libraries Suite

Automate and perform data analysis on your test system easily with Keysight VEE Pro