Optical networking transmissions systems namely SONET and photonic switches, ATM switches, dense wavelength division multiplexers, TDM and TDM-like multiplexers, ethernet and optical switches, amplification and transmission of voice, video, data and network traffic; telecommunications hardware, namely optical loop aggregation and core transport platforms, wavelength management services platforms, tunable transponders, photonic ring and mesh platforms; telecommunications software used for providing, controlling and monitoring the operation of network elements, namely, wavelength division multiplexers, fiber optic multiplexers, amplifiers, transmitters, receivers and routers for the transmission, switching and management of voice, data and video signals and for photonic networking, optical bandwidth management, high-capacity integrated transport and access, and multiservice switching in a telecommunications network; and plug-in cards for use in connection with the transmission, protection and management of voice, data and video signals

Installation of computer networks, computer installation and repair, maintenance of computer hardware, installation, maintenance, repair, analysis, monitoring and testing of voice, data and video networks; installation and maintenance of telecommunications network project and program management

Telecommunications network services, namely, electronic transmission of voice, data and video signals; electronic data interchange services

Computer diagnostic services; design and deployment of telecommunications network project and program management; integration of computer systems and networks and network management for others