9 Fiber optic connectors; Fiber optic instruments, namely, fiber optic fusion splicer, optical time-domain reflectometers; optical power meters, visual fault locators, fiber cleavers, OTDR in the nature of optical time-domain reflectometers; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring instrumentation and apparatus, namely, digitizers; Surveying instruments; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices; Force measurement products, namely, digital force gauges, digital torque gauges and manual and motorized test stands used therewith sold as a unit with the gauges; Test equipment hardware, namely, power meters, optical loss testers, optical light sources tunable or fixed, optical switches, visual fault locator for single mode and multimode fibers, live fiber detector, variable attenuators for creating a calibrated level of optical attenuation, back-reflection meters, optical time-domain reflectometers (OTDR) to fully characterize the optical link, optical spectrum analyzer, dispersion analyzers, modulation analyzers, resistive fault locator for copper links, copper and DSL time-domain reflectometers to fully characterize the copper link, power spectrum density analyzer, digital multimeter, voice frequency and wideband noise analyzer, voice frequency and wideband longitudinal balance analyzer, DSL and internet services analyzers, internet protocol testers for Ethernet, SONET/SDH, Fibre Channel, OTN and CPRI/OBSAI, and spectral analysis analyzers; computer hardware and software and mobile device software applications for communication network testing, troubleshooting, analyzing, monitoring, management, emulation, optimization, characterization, and analytics
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