How To Tell If Fiber Optic Cable Is Bad?
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To determine if a fiber optic cable is bad, you can perform a continuity test using an OTDR (Optical Time Domain Reflectometer) to measure the light loss of the cable. If the OTDR shows a high light loss, then the cable is likely bad. Other methods of testing include visual inspection to check for damage to connectors and splices, as well as inspecting the cable for any bends or breaks. Additionally, a continuity test can be performed with a power meter to measure the amount of light that passes through the cable.