Antaira MSC-102B1L (-SI) 2-Port RS-422/485 Low Profile Universal PCI Card

2-Port RS-422/485 Low Profile Universal PCI Card
Model: MSC-102B1L
Availability: IN STOCK

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Antaira MSC-102B1L 2-Port RS-422/485 Low Profile Universal PCI Card with Optional Isolation Protection

The MSC-102B1L from Antaira Technologies is a low profile RS-422/485 PCI card designed to add 2-ports of serial communication to servers, workstations and industrial computers.  It may function as a client or server. It has a single DB-25 front panel connector that breaks out to two DB-9 male connectors. It also 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
  • Supports low profile PCI systems, short bracket included
  • DB-25 to dual male DB-9 breakout cable included
  • 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-102B1L includes a serial cable, low-height front panel bracket and CD-ROM with drivers, utilities and a quick start guide


MSC-102B1L, no surge and isolation protection
MSC-102B1L-SI, surge protection of 15 kV and isolation protection 2,500 Vrms

The MSC-102B1L software is easy to install with the PCI plug-and-play feature.  Simply follow the Install Wizard found on the CD.  The wizard will recognize the board and automatically install the device drivers.  You’ll be up and running in minutes.

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 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-102B1L Datasheet1.86MB
MSC-102B1L Quick Setup Guide217.57KB