Cross point switch design involves the routing of high frequency analog signals from a number of personal computers to a number of visual display units. This is generally in an attempt to reduce the required amount of visual display units to save space and money.
The concept requires that the integrity of the signals be maintained during transmission to ensure that the quality of the display is of a suitable standard. Certain techniques, such as decoupling, can be used to limit the interference on the signals in order to retain that signal integrity.
The design process involves the identification of the environment it interacts with, identifying the required signals to produce the display and determination of hardware to enable effective routing. It also requires extreme care and caution during the printed circuit board development stage. This is to ensure that problems such as crosstalk are kept to a minimum.
Video switching is generally accompanied with a peripheral switching device to provide a complete solution to the problem of desktop clutter that can be found in many small or large businesses.