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Telecommunications and networking equipment and related hardware and software, namely, wavelength division multiplexing terminals that initiate or terminate transmission of wavelength multiplexed signals, analog and digital amplifiers, and add/drop multiplexers and optical and electro-optical integrated circuits employed in such equipment; telecommunications switches and related software for monitoring and control of such wavelength division multiplexing terminals, analog and digital amplifiers, add/drop multiplexers, optical and electro-optical integrated circuits, and telecommunications switching equipment; computer networking hardware and software for monitoring and control of optical transmission systems; and computer software for providing fault management, configuration management, accounting management, performance management and security management functions for operating, controlling, monitoring and administrating optical transmission systems and end-to-end optical signal transport