MCM Electronics

One Port PCI Serial Expansion Card By Sunix (SER5027A) MCM Part #83-12605

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The SUNIX SER5027A, Universal PCI serial communication board, allows users to add or expand a single RS-232 port 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 virtually any PC-based systems. The SUNIX SER5027A card has a 128-bytes onboard FIFO buffer and is compatible with the 16C950 UART specification. It is designed with a SUNIX UART controller, SUN1989 and built with many of SUNIX advanced features and technologies, making it the best solution for commercial and industrial automation applications.

Specifications Top

  • Expands single independent RS-232 serial port with communication speeds up to 115.2Kbps.
  • High reliability SUN1989 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.
  • Certified by CE, FCC, RoHS, and Microsoft WHQL approval.
  • Support Microsoft Windows, Linux, and DOS.

Product Description 1-port RS-232 Universal PCI Serial Board

Serial Communication

Interface RS-232
Controller SUNIX SUN1989 (16C950 UART Compatible)
Bus Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1
No. of Port 1-port
IRQ & IO Assigned by System
FIFO 128 byte (Hardware)
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 DB9 Male

Driver Support

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
Linux Linux 2.4.x / 2.6.x
FreeBSD FreeBSD 5.3~5.5 / 6.0~6.4
QNX QNX 6.3.2/6.4.0
* 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.

Regulatory Approvals

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 51 mm
Bracket Standard 121 mm
Bracket Space 1
Part Numbers
MCM Part #:83-12605
Sunix Part #:SER5027A
Package Specifications & Dimensions
Weight:0.93 lbs.
RoHS Comp:Yes
Warranty:365 days
Need to Return?
Length:8.5 in.
Width:5.75 in.
Height:1.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
MCM Cat 57, Page 357
MCM Cat 56, Page 329
View in Catalog

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