While for the most part, our VC (videoconferencing, acronym that I will be using from now on) systems are connected to a big screen TV or CRT TV on a mobile cart. Now, this does not have to be done this way. You can hook up a system to any other type of display device as long as you have the appropriate output/input connections on the 2 devices.
For a Elementary school wanting to connect a Polycom rental unit to a Data Projector, you would need a composite RCA video cable (yellow plug). This only carries the video signal to the projector. If you have speakers connected to the projector, you would also need RCA audio cables (red/white plugs) from the Polycom unit to the projector. The Polycom VSX 7000’s have built in speakers, so you don’t HAVE to connect audio cables.
You would connect RCA Video/Audio to bottom yellow/red/white plugs on VC system: (only yellow if not using audio)
You would connect RCA Video/Audio to yellow/red/white plugs on Projector: (only yellow if not using audio)
This all can be displayed on any surface, preferably a drop down screen or even a Smartboard. Keep in mind, that the smartboard is quite glossy, and you will get reflections in the image.