If a problem happens, check the followings first. at the battery is fully charged to prevent optic devices: power meters, light sources, OTDRs, and OSAs. We"ll give you power meter and an OTDR (Optical Time. An optical power meter measures the strength of light traveling through a fiber optic cable, giving you a reading in dBm (decibels relative to one milliwatt). The basic process is straightforward: turn the meter on, set it to the correct wavelength, clean your connectors, plug in, and read the. EXFO can help save both time and costs with an automated calibration test system that is designed for the verification of power meters, attenuators, sources and optical time-domain reflectometers (OTDRs). This application note demystifies how EXFO's IQS-12002 Optical Calibration System can guide. Sometimes, problems are caused by a simple cause. • Are all power switches turned ON? Confirm that the power is supplied to the instrument at every necessary location. Please read the manual carefully before use, and keep it in safe and convenient place so that you can quickly find it when problems occur.
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