Knowledge Base - FAQ

LFD on OTDR results screen

Friday, September 15, 2023
Submitted by ryan.grace on September 18, 2023 - 4:34am
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.

Product Family:

Support at Every Step

We provide support, services, comprehensive training and the resources you need. It’s all part of what we do to maximize the value of your VIAVI investment.

Value add services that compliment your VIAVI system solution and instrument portfolio to provide a total cost of ownership

Customer Service that provides Return Material Authorization (RMA) for repair and calibration

Technical education solutions, product training, and blended learning for technicians who are using new products or working with existing tools

Technical Assistance Center to assist you in using/configuring products or address issues regarding product performance