Antaira MSC-202A-V2 2-Port RS-232 PCI Express Card, Power on DB-9

2-Port RS-232 PCI Express Card, Support Power Over Pin-9
Model: MSC-202A-V2
Availability: Discontinued
Price: Request Quote
Qty: Request a Quote

***DISCONTINUED AS OF JULY 10, 2017 ***  This PCI Express Card does not have an immediate replacement.  Please see "Related Products" below or contact our sales department for assistance with selecting a suitable replacement.  See Product Notice in the Downloads tab.


MSC-202A1-V2 PCI Express Card with 2 Ports of RS-232

The MSC-202A1-V2, from Antaira Technologies, is an RS-232 PCI Express card that adds 2 ports of serial communication to industrial computers, rack mount servers and desktops.  It may function as a client or server to connect older serial based equipment like bar code scanners, card readers, instruments and sensors. It has two male DB-9 front panel connectors with pins to supply 5V and 12V power. 


  • 2 RS-232 serial ports
  • UARTs fully compatible with16C550 and16C950 devices
  • Meets PCI Express Specification 1.0a
  • x1 PCI Express throughput of 250 MB/s
  • Deep 128 byte high performance FIFO
  • 2 male DB-9 connectors on face plate
  • 5V or 12V power provided over the DB-9 serial connectors
  • Baud rate up to 921.6 kb/s
  • 5, 6, 7, 8, 9-bit data framing
  • Automated in-band bi-directional flow control using Xon / Xoff
  • Automated out-of-band flow control using CTS#RTS# and/or DSR#DTR#
  • A CD-ROM with drivers, utilities and a quick start guide is included
  • 5 year warranty

The MSC-202A1-V2 software supports Windows and Linux operating systems.  With the PCI plug-and-play wizard found on the CD, installation is easy.  The wizard will recognize the board and install the device driver software automatically.  You’ll be up and running in minutes.

Total Ports2
TypePCI Express
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