PCI-422-485-2 - IO Products

Dual-port, asynchronous RS-422/485 serial communications card that can be installed in any 3.3V or 5V PCI slot in PC computers. Supports RS-422 and RS-485 protocols with auto control for RS-485 under all OS at baud rates up to 460.8Kbps


  • Universal PCI, PCI-X, 3.3V and 5V compatible
  • Dual-port serial communications card for PCI bus
  • Supports RS-422, and RS-485 protocols
  • Automatic control of RS-485 driver under Windows systems
  • Includes type 16550 UART with 16-byte FIFO buffers
  • Baud rates up to 460,800 baud
  • Detected as standard COM ports under Windows 9x/NT4/NT2K
  • No base address or IRQ switches to set

  • Ordering Guide

    PCI-422-485-2Dual-port, asynchronous serial communications 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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