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Electronic products namely network, data conversion, interface and repeater devices; network devices, namely, high speed redundant optical fiber converters, Ethernet distribution switches and dual power supplies; converter that superimposes an Ethernet signal on an existing cable; converter devices, namely, analog to digital converters (ADCs); computer network interface devices; interface devices, namely, interfaces and transports for signals of pro-audio systems, namely, professional intercom systems and digital mixing consoles on the network; telecommunications equipment, namely, fiber-optic transceivers, fiber-optic repeaters, fiber-optic media converters; Ethernet repeaters; repeater devices, namely, repeater devices extending the distances of fiber-optic connections; computer software for controlling the operation of audio and video devices; software to control and improve audio equipment sound quality; software to communicate audio and intercom, serial data, and video signal types through high speed, synchronous optical fiber networks; control software, namely, graphical interface to configure of and access to the network