The T‑BERD/MTS‑5800 handheld tester with a CWDM OTDR module simplifies fiber testing by providing guided setup, fast analysis, and reliable results. Technicians should inspect and clean all fiber connections using a VIAVI P5000i or FiberChek probe before testing, ensuring each end‑face is clean and passes inspection. The quick card explains how to connect to the fiber under test, configure OTDR settings through Quick Setup, run CWDM Expert OTDR tests, and review results. This process helps ensure accurate fiber characterization, reduces troubleshooting time, and prevents issues caused by dirty or damaged connectors.

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