Computer hardware; computer software for use in database management, use as a spreadsheet, and word processing; cable modems; computer servers; set-top boxes; network cards; computer network hubs, switches and routers; signal transceivers; electronic device used to provide signal conversions for computer video and audio teleconferencing; gateway routers in the nature of computer control hardware; computer peripheral application cards; satellite receivers; interface cards for data processing equipment in the form of printed circuits; computer motherboards; DVD players and recorders; digital video cameras; personal digital assistants; access control and alarm monitoring systems; digital televisions; LCD televisions; television game machines; remote controls for televisions, radios, and stereos; audio systems comprised of stereo tuners and amplifiers; MD players; memory cards; amplifiers; headphones; microphones; digital cameras; camera modules; MP3 players; cable broadcast transmission machines and apparatus; portable media players; internet phones; video phones; cell phones; computer web cameras; LCD overhead projectors; LCD monitors; USB hardware and USB operating software; prerecorded CDs featuring computer data and computer games; computer telephony hardware that connects to the users' private branch exchange (PBX); HDTV tuners; electronic computer based system comprising an optical test module; software for analyzing, reporting and printing optical spectrum analyzer data; fiber optic components, namely, signal monitors; amplifiers; optical switches; optical auto switches; optical transmitters; fiber optic transceivers; fiber optic communication signal transmitters; fiber optic coupling apparatus; fiber optic communication wavelength division multiplexer; oscillate laser diode module for fiber optic amplifier; laser machining positioning system comprised of laser generators; fiber optics; fiber channel switches; cables for optical signal transmission and fiber optic coupling apparatus