Computers; computer software; fiber optics; fiber optic cable; fiber optic test and measuring units, namely electronic devices for test and measurement of optical characteristics of fiber optic cable; fiber optic microscopes; optical time domain reflectometers; electronic fiber fault location units, namely electronic devices for identifying and locating anomalies in fiber optic cables; optical test meters; optical spectrum analyzers; variable attenuators; chromatic dispersion measuring units,...

computer software for testing computer network functions