Computer hardware for use in computer network management and security; computer hardware for use in data transfer management and security including audio and video data transfer over a computer network; computer software for use in computer network management and security; computer software for use in data transfer management and security, including audio and video data transfer over a computer network

Computer software and telecommunications equipment, both of the foregoing for sending, receiving, transporting, switching, routing, transforming, recording, reproducing, and managing telecommunications signals, the equipment consisting of network routers, network data switches, network data encoders and decoders, namely, audio and video encoders and decoders, multiplexers, data processing equipment for interconnection with copper conductors and optical conductors, converters, format converter...