DP 4-Port RS422/485 PCI Adapter Card

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DP 4-Port RS422/485 PCI Adapter Card


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Dual Profile PCI 4-port RS-422/485 adapter with 15KV ESD protection


SIIG’s DP 4-Port RS422/485 PCI Adapter Card easily adds four RS-422/485 serial ports with 15KV ESD protection to your PCI enabled desktop computer.  This high quality RS-422/485 serial adapter card supports serial port data transfer rates of up to 921Kb/s, features built-in 256-byte FIFO buffers and RS-422/RS-485 auto detection and auto switching.  The DP 4-Port RS422/485 PCI Adapter Card packs powerful and advanced technologies such as 15KVDC ESD protection for the serial port interface to ensure reliable data transfer, stable performance and long life and dual-profile design to fit into either full height or low profile system chassis with the included brackets.


  • Supports serial port data transfer rates up to 921Kb/s
  • Built-in 15KVDC ESD serial interface protection
  • Supports 3.3V and 5V PCI and PCI-X slots
  • Built-in 256-Byte FIFO buffer
  • Dual profile design to work with full height and low profile chassis with included brackets


  • Chipset: Oxford OXuPCI954
  • Compliant with PCI 3.0 specification
  • Compliant with Power Management 1.1
  • Full modem interface with hardware out of band flow control
  • UART: 16C950
  • On-chip deep 256-Byte FIFO in Transmit and Receive paths for each serial port
  • RS-422 and RS-485 auto detect and switch
  • Automated Xon/Xoff in-band flow control
  • Plug-n-Play, I/O address and IRQ assigned by BIOS
  • Form factor: Full profile / Low profile
  • Product:
    • Dimensions: 5.27" (W) x 4.72" (H) x 0.71"(D)
    • Weight: 0.14 lbs
    • Color: Black
    • Interface: PCI, 32-bit
    • Connector: 1x 44-pin, DB44, Female
  • Fan out cable:
    • Length: 8.27" (21cm)
    • 1x 44-pin, DB44, Male
    • 4x 9-pin, DB9, Serial, RS-232, Male
    • Color: Black
  • Environmental conditions:
    • Operating temperature: 32 to 122 degrees F
    • Storage temperature: -4 to 140 degrees F
    • Operating humidity: 5% to 85%
    • Storage humidity: 5% to 85%
  • Certifications/Standards: FCC, CE, RoHS
  • Warranty: Lifetime limited
  • Country of origin: China


  • PCI equipped system with an available PCI slot
  • Windows® 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / Server 2008 R2 / 2000

Package Contents

  • DP 4-Port RS422/485 PCI Adapter Card
  • Spare enhanced low-profile bracket
  • Fan out cable
  • Driver CD
  • Jumpers (8)
  • Installation guide

Channel Product Codes

  • Ingram Micro: PW9364
  • Tech Data: 10901785
  • ASI: 129624