The VIAVI ONMSi Remote Fiber Test System provides scalable visibility across core, metro, access, and PON networks to improve construction, activation, and service quality. It continuously scans fiber 24/7 to diagnose faults, detect degradation, and compare real‑time conditions with expected performance, sending alarms without requiring field technician dispatch. Using high‑resolution OTDR within a compact Fiber Test Head and scalable port switching, ONMSi streamlines workloads through advanced geolocation and analytics, helping operators prevent issues and maintain reliable network performance.

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