Serial and GPIB for industrial PCs.
RS-232C boards and GPIB converters that connect instruments and legacy devices to modern PCs.
Long-life and rugged
Communication products built in Japan and Taiwan
Engineering support
Help choosing ports, cables and drivers
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- 4Communication products
- RS-232C · GPIBInterfaces
- 921.6 kbpsMax serial baud rate
BusesPCI ExpressLow Profile PCI ExpressPCIUSB 2.0
Find your interface
Serial boards and GPIB converters
Every tile lists the communication products currently available for that interface.
PCI Express serial
RS-232C · 4 ports
Standard and low profile PCI Express boards with 128-byte FIFOs.
PCI serial
RS-232C · 4 ports
PCI boards for existing systems, up to 16 boards per PC.
GPIB
IEEE-488 over USB
USB converters that connect GPIB instruments to a PC.
Featured products
Reliable links to devices and instruments
COM-4C-PE
RS-232C serial I/O board · 4 channels
- Up to 921,600 bps per channel
- 128-byte FIFO for transmit and receive
- Standard Windows/Linux COM ports, .NET and PySerial
- Up to 16 boards per system (64 ports)
COM-4C-LPE
Low profile PCI Express RS-232C board · 4 channels
- Up to 921,600 bps per channel
- Low profile and standard bracket included
- RTS/CTS/DTR/DSR software control
- Standard Windows/Linux COM ports
GP-IB(USB)FL
GPIB micro converter for USB 2.0
- IEEE-488.1 and IEEE-488.2 compliant
- 2 KB transmit and 2 KB receive buffers
- Windows and LabVIEW driver libraries
- Diagnostic program included
Industries
Where Contec communication products work
Our compact, rugged communication products reduce equipment size, lower costs and improve functionality.
Factory automation
Serial links to controllers, scanners and machines.
See use cases
Test & measurement
GPIB instruments under PC control.
See use cases
Industrial PCs
More COM ports for embedded and industrial computers.
See use cases
OEM equipment
Long-life communication inside your products.
See use cases
Use cases
How customers put our communication products to work
Example applications and the products we typically recommend for them.
Factory automation
Many serial devices on one PC
- Challenge
- Lines still run RS-232C controllers, scanners and meters, and a PC has few or no COM ports.
- Contec solution
- COM-4C-PE board with four RS-232C ports, up to 16 boards per system.
- Why it fits
- Works as standard COM ports through Win32, Linux, .NET SerialPort or PySerial.
Recommended productCOM-4C-PE
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Industrial PCs
Serial ports in compact PCs
- Challenge
- Small industrial PCs only take low profile cards but still need several serial ports.
- Contec solution
- COM-4C-LPE low profile PCI Express board with four RS-232C ports.
- Why it fits
- Fits low profile or standard slots with the included bracket, up to 921,600 bps.
Recommended productCOM-4C-LPE
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Test & measurement
GPIB instruments on a modern PC
- Challenge
- Test systems control GPIB instruments, but new PCs have no GPIB slot.
- Contec solution
- GP-IB(USB)FL micro converter that adds GPIB through a USB port.
- Why it fits
- IEEE-488.1/488.2 compliant with Windows and LabVIEW driver libraries.
Recommended productGP-IB(USB)FL
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Existing systems
Keep PCI systems running
- Challenge
- Installed systems with PCI slots need more RS-232C ports without a redesign.
- Contec solution
- COM-4(PCI)H PCI board with four RS-232C ports and 128-byte FIFOs.
- Why it fits
- Standard COM ports and up to 16 boards in a single system.
Recommended productCOM-4(PCI)H
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Engineered for industry
What every Contec communication product brings
Standard COM ports
Works like built-in COM ports in Windows and Linux applications.
High-speed serial
Up to 921,600 bps with 128-byte FIFOs that reduce CPU load.
High port density
Four ports per board and up to 16 boards per system.
Drivers and tools
Driver libraries for Windows and LabVIEW plus diagnostic programs.
Low profile options
Boards for standard and low profile PCI Express slots.
Long-life design
Rugged, long-life products made in Japan and Taiwan.
Showing 1–4 of 4 products
Contec Americas Inc. In stock
GP-IB(USB)FL Low Price High-Speed GPIB Communication Micro Converter for USB2.0
*End of Repair Service: 2027/08/19 This micro converter enables GPIB communication simply by connecting to the USB interface of your PC. The connection to each communication...
Contec Americas Inc. In stock
COM-4(PCI)H 4Ch RS-232C Communication Board for PCI
Contact Sales Department for Pricing New COM-4(PCI)H 4 RS-232C Ports 921,600 bps 128-byte FIFO Standard COM Ports Up to 16 boards VCCI-A · FCC-A · CE...
Contec Americas Inc. In stock
COM-4C-LPE RS-232C Serial I/O board Low Profile size 4ch type for PCI Express
Contact Sales Department for Pricing New COM-4C-LPE 4 RS-232C Ports 921,600 bps Low Profile / Standard 128-byte FIFO Standard COM Ports VCCI-A · FCC-A · CE...
Contec Americas Inc. In stock
COM-4C-PE Serial Communication PCI Express Card RS-232C 4ch
Contact Sales Department for Pricing New COM-4C-PE 4 RS-232C Ports 921,600 bps 128-byte FIFO Standard COM Ports Up to 16 boards VCCI-A · FCC-A · CE...
About Communication
Contec designs, develops, and manufactures highly reliable, long-life, and rugged communication products. Whether from our standard line or a fully custom solution, Contec offers a wide range of communication solutions well suited for a variety of applications. Our compact and rugged devices are manufactured in Japan and Taiwan, and can reduce equipment size, lower costs, and improve functionality.
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Need help connecting your devices?
Tell us about your devices and interfaces and a Contec specialist will recommend and quote the right communication products.