Skip to content 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART

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In stock 2S1P Native PCI Express Parallel Serial Combo Card with 16550 UART - PCIe 2x Serial 1x Parallel RS232 Adapter Card (PEX2S5531P)
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Add 1 parallel port and 2 RS-232 serial ports to your standard or low-profile computer through a PCI Express expansion slotThe PEX2S5531P 2S1P PCI Express Card turns a PCI Express slot into two RS232 (DB9) serial ports and one Parallel port. The adapter card features a native PCI Express single chip design that allows you to take advantage of full PCI Express capability, providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional serial cards which use a bridge chip design.Compatible with a broad range of operating systems including Windows® 2000/XP/2003/Vista™/Windows 7/Server 2008 R2 (32 and 64-bit), Linux Kernel 2.6.11 and up, and MAC OS 10.4, this 2 Port Serial 1 Port Parallel PCI-Express Card also features an optional low profile/half-height bracket that allows the card to be installed in virtually any computer case, regardless of the case form factor.This product is a replacement for our PEX2S5521P card.Backed by a 2-year warranty and free lifetime technical support.


  • Host interface
  • Output interface
  • Expansion card standard
    PCIe 1.0a
  • Serial ports quantity
  • Serial interface type
  • Parallel ports quantity
  • Internal
  • Product colour
    Green, Stainless steel
  • Chipset
    ASIX - MCS9901CV-CC
  • Baud rate
    460.8 Kbit/s
  • FIFO (First In, First Out)
    128 B
  • Flow Control type
  • Harmonized System (HS) code
  • Supported protocols
    EPP, ECP, SPP, PS/2
  • Operating temperature (T-T)
    -10 - 80 °C
  • Storage temperature (T-T)
    -20 - 100 °C
  • Operating relative humidity (H-H)
    5 - 85%
  • Windows operating systems supported
    Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 2000, Windows 2000 Professional, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home B
  • Mac operating systems supported
    Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
  • Linux operating systems supported
  • Server operating systems supported
    Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
  • Other operating systems supported
    Windows Embedded POSReady 2009, Windows Embedded Standard 2009
  • Sustainability certificates
    CE, RoHS
  • Width
    120 mm
  • Depth
    105 mm
  • Height
    20 mm
  • Weight
    112 g
  • Drivers included
  • Manual
  • Package width
    145 mm
  • Package depth
    174 mm
  • Package height
    31 mm
  • Package weight
    208 g
  • Products per master (outer) case
    75 pc(s)
  • Master (outer) case width
    355 mm
  • Master (outer) case length
    679 mm
  • Master (outer) case height
    320 mm
  • Warranty Info
    2 Year Warranty


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