HomeProductsSunix PCIe Card SER-6437A


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PCIe Card


Product Description

SUNIX SER6437A, PCI Express serial communication boards meet the PCI Express Base Specification Revision 2.0. It is compatible with PCI Express x1, x2, x4, x8 and x16 lane Bus. allowing it to be installed in virtually any PC system. The majorities of today’s motherboards is not equipped with serial ports or only have one serial port. With SUNIX PCI Express serial board, users can add 2 serial ports to their system, allowing them to use serial devices further. SUNIX SER6437A card has 128-bytes onboard FIFO buffer and compatible with 16C950 UART specification. It is designed with SUNIX UART controller, SUN2212 and as well built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications.


  •     Expands 2 independent RS-232 serial ports with communication speeds up to 115.2Kbps.
  •     High speed SUN2212 16C950 compatible UART controller.
  •     Designed to meet PCI Express Base Specification Revision 2.0.
  •     Supports x1, x2, x4, x8, x16 (lane) PCI Express Bus connector keys.
  •     On-chip hardware auto flow control to guarantee no data loss.
  •     Built-in ± 15KV ESD protection for all serial signals meets IEC1000-4-2 standard.
  •     Plug-n-Play, I/O address and IRQ assigned by BIOS.
  •     Certified by CE, FCC, RoHS, and Microsoft WHQL approval.
  •     Support Microsoft Windows, Linux, and DOS.


Interface RS232
Controller Sunix SUN2212 (16C950 UART Compatible)
Bus PCI Express Spec 2.0, Single-lane (x1)
IRQ & IO Assigned by System

Serial Communication

Interface RS-232
No. of Port 2-port
FIFO 128byte Hardware
Signal DCD, TxD, RxD, RTS, DTR, DSR, GND, RI
Baud rate 50bps ~ 115.2Kbps
Stop bit 1, 1.5, 2
Parity even, odd, none, mark, space
Flow Control None, Xon/Xoff, RTS/CTS
Protection u
PCB Connector DB9 Male

Driver Support

Windows Client XP/Vista/7/8.x/10 (X86/X64)
Windows Server 2000/2003/2008/2008 R2/2012/2012 R2 (X86/X64)
Windows Embedded Windows CE 4,2/5.0/6.0/XP Embedded/POSReady 2009/POSReady 7/Embedded System 2009
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

Regulatory Approvals


CE EN55022 Class B, EN55024, EN61000-3-3, VCCI Class B

FCC Part 15 Class B, BSMI: CNS13488,C-Tick: CISPR22AS/NZS, ROHS


Microsoft WHQL Windows

Microsoft Client:XP/Vista/7/8.x/10 (X86/X64)

Microsoft Server: 2000/2003/2008/2008 R2/2012/2012 R2 (X86/X64)


Operation Temperature 0 to 60°C (32 to 140°F)
Operation Humidity 5 to 95% RH
Storage Temperature -20 t0 85°C (-4 to 185°F)


PCB Dimension 65 x 88 mm
Bracket Standard 121mm
Bracket Space 1


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