National Control Devices

NCD relay controllers allow computer controlled switching from the RS232 serial port of a microcontroller or computer.NCD video switchers allow computer controlled multiplexing of audio or vide signals from the RS232 serial port of your computer.

The NCD ActiveX Control makes it easy to control NCD devices from any programming language that supports ActiveX. It supports most NCD Devices except graphic display products. With it, you may create a complex control application in minutes.

The NCD.EXE allows you to control NCD products directly from a command line interface in DOS. NCD.EXE does NOT require 3rd party tools or components, as it speaks directly to DOS.