9 broadband communications network apparatus, namely, analog modulators, stereo encoders, power combiners, MPEG multiplexer controllers and software therefor, video encoders, network controllers, fiber optic transmitters, fiber optic receivers, hand held remote control units, radio frequency amplifiers, home communication terminals, power splitters, integrated receiver decoders, scramblers, headend controllers, data communication routers, information services processors, text insertion apparatus, video encoding computers and software therefor, headend monitors, televisions, headend monitor displays, power inserters, settop enclosures, fixed and mobile diagnostic network test apparatus