Electronic and optical communications instruments and components, namely, digital transmitters; Electronic and optical communications instruments and components, namely, optical transceivers; Ethernet switches; Fiber optic instruments, namely, Optical Loss Test Set; Fibre optic couplings; Optical fiber connectors; Optical frequency metrology devices; Optical inspection apparatus; Radio-frequency power meters; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeater...