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Know If Your Fiber Build Actually Works. Log a power reading anywhere and get an instant pass/fail — plus the real reason: bad splice upstream, or just outside your receiver window. GPON presets, GPS tagging, PDF reports. Redesigned app, too.
Fiber network loss calculator & field diagnostics — GPON, FTTH, splitters
Plan the network. Calculate the loss. Then prove it actually works. FiberLink is a fiber-optic network design and diagnostic tool built for the people who actually build GPON, FTTH, and point-to-point networks — not a spreadsheet, not a desktop licence, just the phone you already carry to site. NEW: TEST & TROUBLESHOOT Log a real power-meter reading at any point in your network and get an instant verdict — pass, marginal, or fail — with the real reason behind it, so you know whether it's a bad splice upstream or simply outside your receiver's window. Set your own pass/fail thresholds, or use built-in GPON Class B+ / Class C+ presets. Tag every reading with GPS and open it straight in Google Maps. Export a full diagnosis report as a PDF. DESIGN & CALCULATE Model your network as a live graph — headend, splitters, drops — and watch the optical loss budget calculate in dBm as you add every splice, splitter, and span. Any split ratio from 1:4 to 1:128, plus percentage taps. See exactly what power reaches every endpoint before you ever touch a cable. BUILT FOR THE FIELD • Custom numeric keypad for fast, accurate readings — no fumbling with the on-screen keyboard • Step-by-step loss-math breakdown under every coupler • GPS-tagged readings, opened directly in Google Maps • One-tap PDF export for client and compliance reports • Works offline — no signal required on site WHO IT'S FOR FTTH installers, GPON technicians, network planners, and anyone who needs to answer one question with confidence: does this fiber link actually work? Whether you're designing a new build or troubleshooting a complaint on an existing one, FiberLink turns "does this work?" into a number you can trust.