USB-COM-4S - IO Products

Four port asynchronous serial communication adapter designed for use with any computer system equipped with a USB port


  • Four-port serial communications adapter for USB 1.1 and USB 2.0 host ports
  • Supports field selectable RS-232, RS-422 or RS-485 protocols, per port
  • Includes type FT232 UART with 384-byte receive/128-byte transmit FIFO buffers
  • Speeds up to 921.6Kbps for RS-422/485 and 230Kbps in RS-232 mode
  • Power and individual port activity LEDs visible at front panel
  • All required power drawn from USB port, no external power adapter required
  • Compact, low profile enclosure

  • Ordering Guide

    USB-COM-4SFour port asynchronous serial communication adapter
    For 3rd parties memory module comparability, also check (CMTL Advanced Tested Memory List)
    *Specifications are subject to change without notice.
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