Antaira MSC-102A 2-Port RS-232 Universal PCI Card

2-Port RS-232 Universal PCI Card
Model: MSC-102A
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MSC-102A 2-Port RS-232 Universal PCI Card

The MSC-102A from Antaira Technologies is a PCI serial expansion card with two RS-232 ports.  It’s a great way to add more serial communication to a server or desktop computer to support older serial devices like modems, plotters, printers and card readers.

Using two 16C550 UARTS and a 16-byte deep FIFO to reduce CPU overhead, it offers a high transfer data rate of 115 kb/s.  It supports legacy applications wherein the PCI resources and serial ports are located at standard DOS I/O addresses.  Two serial DB-9 connectors are mounted on the front panel and two mounted internally. 


  • 2 ports of RS-232 based on the 16C550 UART
  • PCI 32-bit, PIO mode with 133 MB/s bandwidth
  • PCI IRQ sharing feature eliminates IRQ conflicts
  • Supports both 5V and 3.3V standard PCI slots
  • 2 male DB-9 connectors and 2 internal serial headers
  • Windows and Linux drivers
  • MSC-102A includes a Quick Start Guide and CD with drivers and utilities
Total Ports2
TypeUniversal PCI
Operating System SupportWindows, Linux
Serial Interface
Serial Ports2 x RS-232
Baud RateUp to 921.6 Kbps
Data Bits5, 6, 7, 8, 9
ParityNone, Odd, Even, Mark
Flow ControlXon / Xoff
SignalsCTS, RTS / DSR, DTR
Host Controller16C550/16C950 UART Compatible
Serial PowerSelect 5 VDC or 12 VDC over DB9 pins
FIFO128 Byte
Connector Type2 x DB9 male connectors
Operating Temperature0 to 55°C
Storage Temperature-40 to 75°C
Humidity5 to 95% non-condensing
CertificationsCE, FCC, RoHS
Warranty5 Years
Download NameFile Size
MSC-102A Datasheet3.69MB
MSC-102A Quick Setup Guide43.16KB
Tags: MSC-102A