The T‑BERD/MTS‑5800 with a DWDM OTDR module provides a streamlined process for testing DWDM fiber links. Technicians must first inspect and clean every connector using a VIAVI P5000i or FiberChek probe, ensuring each end‑face is clean and passes inspection before beginning. The quick card explains how to connect the tester to the fiber under test, configure DWDM Expert OTDR settings, run measurements, and analyze results. This workflow helps ensure accurate characterization of DWDM channels, reduces troubleshooting time, and prevents issues caused by dirty or faulty fiber connections.

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