Telecommunications and networking equipment, networking hardware, firmware and applications software, for transport and switching in the field of optical networks; optical networking products, namely, optical transporters, transponders and muxponders, amplifiers, switches, fixed and reconfigurable optical add/drop multiplexers, regenerators, dispersion compensators, dynamic gain equalizers, and electro-optical integrated circuits employed in such equipment; optical product operating systems and software for configuring and managing optical products through in-band and out-of-band control interfaces and for reporting on product status; and downloadable instruction manuals for all of the foregoing