PCI-ICM422-4 - IO Products

Four-port, optically isolated asynchronous RS-422 serial communications card designed for use in PCI-Bus computers with 3.3V or 5V slots at baud rates up to 460.8Kbps. Fits in any slot that can accommodate "long" cards and is designed to provide effective communication on long communication lines in noisy environments


  • Universal PCI, PCI-X, 3.3V and 5V compatible
  • Optically isolated, asynchronous serial communications
  • Choice of EIA 422 or EIA 485 models
  • Type 16550 buffered UARTs protect against data loss in multitasking systems
  • Baud rates up to 460,800 baud
  • Usable at cable lengths up to 4000 feet
  • Detected as standard COM ports under Windows 95/98/NT
  • No base address or IRQ switches to set

  • Ordering Guide

    PCI-ICM422-4Isolated Four-Port Serial Interface Cards
    For 3rd parties memory module comparability, also check (CMTL Advanced Tested Memory List)
    *Specifications are subject to change without notice.
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