Ethernet adapters; Ethernet cables; Ethernet controllers; Ethernet repeaters; Ethernet switches; Ethernet transceivers; Fiber optic cables; Fiber optic connectors; Fiber optics; Fibre optic couplings; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, ter...