Fiber networks have multiple vulnerability points from the central office to the customer premises. Issues such as dirty connectors, bad splices, crossed connections, bent fibers, damaged splitters, or faulty connectors can occur throughout feeder, distribution, and drop segments. Patch panels, splice closures, splitters, aerial cables, and ONUs all introduce potential failure points. With growing deployments of GPON, XGS‑PON, and 25/50G‑PON, ensuring flawless service requires smarter, end‑to‑end testing to quickly detect and resolve faults across every stage of the fiber network.

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