Viavi ONA800A Fiber Optic Test Instrument OTDR

The Viavi ONA800A Fiber Network Analyzer is a portable DWDM C-Band device for fiber optic network testing, fault location, and performance verification. It delivers OTDR testing and fiber characterization across DWDM-backed infrastructures in telecommunications, metro networks, data centers, and optical transport environments. Built for field service, maintenance teams, and system integrators, it supports Single Mode (SM) fiber, polarization-maintaining (PM) fiber, and includes a Visual Fault Locator (VFL) for quick fault indication; it is compatible with Viavi P5000i inspection probes and is used for network verification and troubleshooting. Common replacements include Viavi MTS-5800 Network Tester, EXFO FTB-1 Pro Network Tester, and VeEX FX150 Network Tester.