9 communication networks, systems and components, namely, local area network cabling systems and structured cabling systems, comprised primarily of fiber optic cables and cable assemblies, fiber optic cable connectors, cable terminators, patch panels, cable management racks, wall outlets, faceplates, optical interface connectors, plugs, sockets, receptacles, ports, [ data networking switches, media converters, media converter chassis, optical transceivers, optical detectors, ] optical fiber, and [ network test sets, namely, diagnostic equipment to test the performance and integrity of cabling systems ]; terminating systems, namely, sockets, outlets, patch panels, media converters, patch cords, jacks, and faceplates; voice cabling products, namely, cooper cable products, jacks, termination blocks, faceplates and patch cords