EFI-50 Live Fiber Identifier

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EFI-50 Live Fiber Identifier

EFI-50 is a rugged, easy-to-use Live Fiber Detector that detects the presence of live signals on an optical fiber or optical fiber patch cord, without disconnecting the fiber network. The EFI-50 induces a safe macro-bend to allow a small amount of light to escape to detect the presence of network traffic, test tones or CW signals, without over stressing the fiber. In addition, the EFI-50 using a tone recognition feature which can locate specific dark fibers (at 270Hz/1kHz/2kHz)

EFI-50 is a multipurpose device that also includes an optical power meter and a visual fault locator built in.

The EFI-50 is a multi-purpose tool for the fiber technicians to perform trouble-shooting & repair management of a fiber network with mislabelled or unlabelled fibers, as a single man operation


  • Identify live fiber
  • Differentiate specific dark fiber using tone recognition
  • Built in Optical power meter: Measure optical power
  • Built in Visual fault locator: Identify fiber breaks
  • Can be used with a tone generator for fiber matching

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EFI-50 Live Fiber Identifier
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