[ Fiber optic cables; ] Fiber optic instruments, namely, microscopes; Fiber optics; [ Fibre-optic cables; Filters for optical devices; ] Optical communications systems comprised of optical and electronic hardware and computer software for the transmission of data between two points; [ Optical fiber cables; Optical fibers sold as a component of fiber optical cables; Optical filters; ] Optical inspection apparatus for industrial use; Signal band separators for use in telecommunications applications; Telecommunication switches; Telecommunications equipment and software, 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 presence management products, namely, switches, and console, alarm, sensor and power management devices ]