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Sunix SER5056AL PCI 4-Port Serial RS-232 Card - Low Profile


Sunix SER5056AL PCI 4-Port Serial RS-232 Card - Low Profile

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  • Add 4 x RS-232 Serial Ports to low profile machines
  • Ideal for POS, Medical or other applications
  • Seamless RS-232 integration with printers, scanners, etc

SUNIX SER5056AL, Universal PCI serial communication board, allows users to add or expand four RS-232 ports on PC-based system. The card is compatible with both 64 / 32-bit PCI architecture supporting 3.3 and 5V Bus, allowing it to be installed in any slim size PC-based system with low profile bracket structure.

SUNIX SER5056AL card has 128-bytes onboard FIFO buffer and compatible with 16C950 UART specification. It is designed with SUNIX UART controller, SUN1999 and as well built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications.

  • Expands 4 independent RS-232 serial port with communication speeds up to 115.2Kbps.
  • High reliability SUN1999 16C950 compatible UART controller on-board.
  • Compliance with PCI 33MHz Ver. 3.0/2.3/2.2./2.1 specification.
  • Supports both 64-bit & 32-bit PCI bus slot and 3.3V & 5V power.
  • On-chip hardware auto flow control to guarantee no data loss.
  • Built-in ± 2KV ESD protection for all serial signals.
  • Plug-n-Play, I/O address and IRQ assigned by BIOS.
  • Low profile bracket design idea for slim or portable PC.
  • Certified by CE, FCC, RoHS, and Microsoft WHQL approval.
  • Support Microsoft Windows, Linux, and DOS.


  • Interface: RS-232
  • Controller: SUNIX SUN1999 (16C950 UART Compatible)
  • Bus: Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1
  • No. of Port: 4-port
  • IRQ & IO: Assigned by System
  • FIFO: 128 byte (Hardware)
  • Signal: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI
  • Baud rate: 50 bps to 115.2 Kbps
  • Data bit: 5,6,7,8
  • Stop bit: 1,1.5,2
  • Parity: None, Even, Odd, Space, Mark
  • Flow Control: None, Xon/Xoff, RTS/CTS
  • Protection: ±2KV ESD protection for each signal Human Body Model (HBM)
  • PCB connector: DB44 Female


  • Microsoft Client: Windows XP/Vista/7 (X86/X64)
  • Microsoft Server: Windows 2000/2003/2008 (X86/X64)
  • Microsoft Embedded: Windows CE5.0/6.0/XP Embedded/POS Ready 2009/Embedded System 2009/Embedded Standard 7
  • Linux: Linux 2.4.x / 2.6.x / 3.x
  • DOS: DOS
  • FreeBSD: FreeBSD 5.3~5.5 / 6.0~6.4
  • QNX: QNX 6.3.2/6.4.0
  • * IBM OS/2: WARP 3/WARP 4
  • * SCO UnixWare: UnixWare 7.1.3/7.1.4/ Open Server 5.0.7/6.0
  • * Sun Microsystems: Solaris 10

Note: “ * ” Supported by special inquiry.


  • Hardware: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, FCC Part 15 Class B, BSMI: CNS13438, C-Tick: CISPR22 AS/NZS, RoHS
  • Software:
    • Microsoft WHQL Windows
    • • Microsoft Client: XP/Vista/7 (X86/X64)
    • • Microsoft Server: 2000/2003/2008 (X86/X64)


  • Operation Temperature: 0 to 60°C (32 to 140°F)
  • Operation Humidity: 5 to 95% RH
  • Storage Temperature: -20 to 85°C (-4 to 185°F)


  • PCB Dimension: 120 x 68 mm
  • Bracket: Low Profile 80 mm
  • Bracket Space: 1