9 Amplification systems for optical networks, namely, optical amplifiers, optical amplifier pumping modules, and optical signal amplifying apparatus incorporating performance monitoring and controlling software
37 Maintenance and support services for amplification systems for optical networks, namely, optical amplifiers, optical amplifier pumping modules, and optical signal amplifying apparatus incorporating performance monitoring and controlling software
42 Consulting, integration, and network and amplifier modeling in the field of optical networks, optical amplifiers, and optical amplifier pumping modules, and monitoring and control software therefor