75333641
Jul 31, 1997
Aug 10, 1999
optical telecommunication devices and networks, namely, wavelength division multiplexers, optical line amplifiers, transponders, wavelength converters, optical performance measuring devices, namely, optical power monitors, optical wavelength meters, optical signal-to-noise ratio monitors, optical spectrum analyzers, fault isolation indicators; dispersion compensators, optical cross-connectors, optical add-drop multiplexers; computer software for use in the field of network management for optical networks with typical tasks like fault management, configuration management, accounting management, performance management, security management, path management
Electrical and Scientific Apparatustechnical consultation for network operators in the field of construction, operation and maintenance of telecommunication networks
Computer and Scientific