Antaira MSC-202AL1 2-Port RS-232 PCI Express Card, Low Profile, Power on DB9

2-Port RS-232 PCI Express Card, Low Profile (Support Power Over Pin-9)
Model: MSC-202AL1
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Antaira MSC-202AL1 2-Port RS-232 PCI Express Card, Low Profile (Support Power Over Pin-9)

Antaira Technologies' MSC-202AL1 low-profile PCI Express interface board provides 2 high performance RS-232 serial expansion ports. Featuring a 16C650-type UART, the card offers high throughput and reduced CPU loading. Use the MSC-202AL1 to add more serial ports to a standard PC, workstation or server.  The PCI Express x1 lane operates at speeds to 250 Mbytes/secprovides and provides a scalable, high-speed, serial I/O bus that maintains backward compatibility with PCI applications and drivers. The card is fully PCI Express Plug-and-Play compatible with no IRQ and I/O address conflicts. The MSC-202AL1 provides the scalability to quickly adapt to new PCI Express technologies. It supports power over pin-9.


  • 2-port RS-232 Low Profile PCI Express Card
  • Full x1 PCI Express Throughput, 250Mbytes/sec
  • Compliant with PCI Express Base Specifications, Revision 1.0a
  • 2 RS-232 Ports over a breakout cable
  • 2 16C550 High performance UARTs
  • UARTs Fully Compatible with all Serial Devices
  • Baud Rate up to 921.6Kbps
  • 256-byte deep FIFO per transmitter and receiver
  • 9-bit Data Framing, as well as 5,6,7 and 8 bits
  • Provides 5V or 12V Power over Serial Connectors
  • Hardware and software Flow Control
  • Slow IrDA on both serial ports
  • Short height bracket included
  • Supports Windows and Linux
  • CD-ROM with drivers and utilities and Quick Start guide is included
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 via cable
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-202AL Quick Setup Guide195.07KB
MSC-202AL1 Datasheet104.3KB