Computer network adapters, switches, routers and hubs; Computer network interface devices; Computer network switches; Electric cables, wires, conductors and connection fittings therefor; Fiber optic connectors; Fiber optics; Fibre optic cables; Fibre optic couplings; Network cards; Optical fibers; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches includi...