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Optical Time-Domain Reflectometer
Test equipment that measures loss along a fiber and locates faults, splices and bends by distance.
The OTDR trace taken at handover is your baseline. Without it you can't prove a fault two years later wasn't present on day one — always ask for the traces, not a pass/fail summary.
All glossary termsA free survey gets you a plain-language picture of what you have and what you actually need.
