Live Fibre Identifier


Live Fibre Identifier

The FI-60 Live Fibre Identifier enables users to easily detect the optical signal without disconnecting fibre or disrupting network traffic. The FI-60 LFI also includes the unique Viavi SafeChekTM system, which ensures safe and repeatable engagement with most fibre types without the hassle of changing out costly dies. It also converts to an Optical Power Meter (OPM), providing twice the value for your investment and reducing the number of tools carried on the job.

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Key Features

  • SafeChek easy-pull trigger system ensures repeatable engagement with fibre cable
  • LFI head accepts multiple cable diameters (250μm to 3mm) jacketed fibres
  • Durable metal input adapters (2.5 and 1.25mm) for OPM
  • Measure both absolute (dBm) and relative (dB) power
  • Store and recall up to 100 OPM readings


  • Avoid network downtime and damage with repeatable SafeChek™ easy-pull trigger system
  • Get the job done faster with a single LFI head that is compatible with multiple cable diameters (250μm to 3mm jacketed fibres)
  • Increase reliability and avoid false readings with integrated ambient light shield
  • Access cable in multiple environments with the compact, ergonomic design
  • Easily convert to a full function OPM that stores, recalls, and exports results to a PC via USB