Fiber-optic transceivers of digital audio and control data; conversion devices, namely, devices for converting digital audio to and from analog audio; computer network interface devices, namely, devices for interfacing intercom to fiber optics; network devices, namely, high speed redundant optical fiber converters, Ethernet distribution switches and dual power supplies in the nature of internal switched mode power supply units (PSUs); computer apparatus, namely, a converter that superimposes an Ethernet signal on an existing cable; converter devices, namely, analog to digital converters (ADCs); computer network interface devices; computer network interface devices, namely, interfaces and transports in the nature of audio over internet protocol (IP) for signals of pro-audio systems, namely, professional intercom systems comprised of modular switching frames fitted with interface cards to provide voice and data over internet protocol (IP) to remote user stations and digital mixing consoles for use with wireless base station networks; telecommunications equipment, namely, fiber-optic transceivers, fiber-optic media converters; Ethernet repeaters; computer software for controlling and, thus, improving audio equipment sound quality; software to configure save and restore routing information of audio and intercom, serial data, and video signal types through high speed, synchronous optical fiber networks; control software, namely, graphical user interface software to configure and enable access to the network