The NCD.EXE allows you to control NCD products directly from a command line interface in DOS. NCD.EXE does NOT require 3rd party ツール or components, as it speaks directly to DOS.
NCD relay controllers allow computer controlled switching from the RS232 serial port of a microcontroller or computer.NCD ビデオ switchers allow computer controlled multiplexing of オーディオ（音声） or vide signals from the RS232 serial port of your computer.