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Testing scenario example and what do you need for optical power loss measurements

For most power meter measurements, the following equipment is required:


Optical power meter:


• With proper wavelengths

• With proper connectors




• For single-mode or multimode fiber sizes

• Calibrated in dBm, preferably with optional dB scale

• Accuracy to at least ±0.1 dB


Optical light source:


• With stable light source

• With proper wavelengths (same as operating equipment)

• With proper connectors

• With single-mode or multimode fiber sizes

• With proper source, laser or LED source

• With sufficient output light power


Test patch cords:


• At least two, 1 to 5 m in length

• High quality with known loss (tested at factory and results documented)

• With proper connectors

• With same core size as fiber optic facility to be tested Adapter:

• Good quality with ceramic sleeves

• Proper connector fitting

• Two required


Connector/adapter cleaning kit


Related links:
Optical power loss (attenuation) in fiber access – types, values and sources
Optical Power Loss measurement in db – how to measure it fast and correct – tutorial
Fiber Optical Patchcords / Pigtails



Lomoveishiy – Finland

I needed those to connect my PC on the third floor to have internet access in that room, and ISP installed their modem on the first floor only. After dropping fiber patch cables, plugged in all cables into these media converters at both sides, and link came up instantly. Was much easier than I thought!

Raymond – USA

Great experience – units worked straight out of the box – just needed plug in cables and we were done. I also like the possibility to enable jumbo frames, while we do not have a need for this feature at the current moment it’s great to have this option.

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