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PCIe Bus Serial Board - (2) RS-232/422/485, (2) DB9

Provides two field selectable RS-232/422/485 serial ports when the card is installed in an open PCI slot in your computer.

Item #:  PCIe Bus Serial Board - (2) RS-232/422/485, (2) DB9


Call 877-877-2269 for pricing and to place order.
Please Note: Once ordered, this product cannot be cancelled or returned for credit.
Call for Pricing
*Price excludes GST

Product Features

  • Each port can be configured independently for RS-232, RS-422, or RS-485.
  • Configure ports as RS-232 for standard serial COM ports
  • Configure ports as RS422 for long distance device connections
  • Configure ports a RS485 and capture data from multiple peripherals
  • In RS485 mode up to 31 devices can be attached to each port
  • Card has a 16864 UART providing speeds up to 460.8 kbps


  • Fully compatible with legacy 16550 UARTs.
  • Passes all modem signals in RS-232 mode.
  • In RS-485 modes, the card's transmitter is enabled in hardware, eliminating software control.
  • Use in low-profile PCI Express slots.
  • Includes a 36" (91.4 cm) cable that terminates to two DB9 male connectors.

  • Tech Specs

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 1-877-877-2269.



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