Knowledge Base - FAQ

LFD on OTDR results screen

Sunday, December 29, 2019
Submitted by ryan.grace on October 23, 2021 - 10:45pm
Question: 
What does the LFD means in the corner of the OTDR results screen?
Answer: 
LFD stands for Light on Fiber Detected. When it is grey then it means we are actively checking for existing light on the fiber but have not seen it. When light on the fiber is detected it will go red.

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