The 4138 FMP265 is a compact OTDR module in VIAVI’s 4100 Series optimized for single-mode PON and legacy fiber networks. VIAVI T-BERD/MTS-2000 Handheld Fiber Test Platform. The T-BERD/MTS-2000 is a single-slot, battery-powered handheld tester designed for fiber-optic validation and troubleshooting.
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