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FTTx PON Insertion Loss Tests

Insertion loss tests are primarily used to test FTTx PONs (Passive Optical network) during installation. Insertion loss testing may be performed on individual fiber segments as they’re installed (e.g. test feeder fiber from Central Office  (CO) to Fiber Distribution Hub (FDH), test distribution fiber from FDH to AP, or test drop fiber from AP to […]

FTTH, Test Equipment

Test Procedures when Trouble-shooting an Live (in service) PON Network

1. Use an ONT (Optical Network Terminal) / ONU (Optical Network Unit) Tester to determine if the ONT/ONU at the subscriber’s end is responding to downstream signals from the OLT (Optical Line Terminal). The Active ONT /ONUidentifier clamps on to 0.9mm buffered fiber, or 2mm or 3 mm jacketed fiber, or 2.0mm x 3.0mm drop cable, senses and […]

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