Optical Time Domain Reflectometers (OTDRs) When it comes to locating faults in long fiber spans, the OTDR fiber optic tester is necessary. It allows technicians to view the entire length of the fiber and pinpoint the exact location of splices, bends, or breaks. This makes it ideal for troubleshooting and performance analysis. Jonard Tools OTDR units offer inbuilt interfaces, fast sc... https://jonard.com/fiber-optics/test-equipment