Cables for optical signal transmission; Optical fiber 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 presence management products, namely, switches, and console, alarm, sensor and power management devices

Cables for electrical or optical signal transmission; Computer hardware for telecommunications; Computer networking hardware; Downloadable free-space optical communication (FSO) software for delivering broadband communications; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Electronic and optical communications instruments and components, namely, digital transmitters; Electronic and optical communications i...