Antaira MSC-102B1 (-SI) 2-Port RS-422/485 Universal PCI Card

2-Port RS-422/485 Universal PCI Card
Model: MSC-102B1
Availability: IN STOCK

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MSC-102B1, 2 Ports of RS-422/485, Universal PCI Card with Optional Surge and Isolation Protection

The MSC-102B1, manufactured by Antaira Technologies, is an RS-422/485 PCI card designed to add 2 ports of serial communication to desktops, servers and industrial computers.  It may function as a client or server. It has two DB-9 front panel connectors, and it supports 2-wire and 4-wire RS-422/485 connections. 


  • 2 RS-422 or RS-485 serial ports to PCI, 16C950 UART
  • PCI specification 3.0 compliant, 133 MB/s bandwidth
  • ATTA auto RS-485 transmitter buffer control
  • PCI IRQ sharing eliminates IRQ conflicts
  • 2 male DB-9 face plate connectors
  • RS-422/485 2-wire and 4-wire modes are available
  • Baud rate up to 921.6 kb/s
  • Optional DB-9 to 5-pin terminal block adapter available
  • The MSC-102B1 includes a CD-ROM with drivers, utilities and a quick start guide


MSC-102B1,     no surge and isolation protection
MSC-102B1-SI, surge protection of 15 kV and isolation protection of 2,500 Vrms

The MSC-102B1 software, with the PCI plug-and-play, is easy to install.  Follow the Install Wizard found on the CD.  The wizard will recognize the card and automatically install the device driver software.  You’ll be up and running in no time.

Total Ports2
TypeUniversal PCI
Operating System SupportWindows, Linux
Serial Interface
Serial Ports2 x RS-422/485
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
Surge Protection15KV ESD Protection
Isolation Protection2,500 Vrms
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-102B1 Datasheet2.47MB
MSC-102B1 Quick Setup Guide212.68KB