Fiber optic cables; Fiber optic connectors; Optical fibers; Optical fibers sold as a component of fiber optical cables; Protective sheaths for fiber optical cables; 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, terminators and repeaters, and remote p...