OTDR or light source power meters? Which is more accurate for link loss measurements?


Gain insight into link loss measurements

Dear Friend,

As a network operator, obtaining highly accurate link loss measurements and knowing whether a traditional light source power meter (LSPM) or optical time-domain reflectometer (OTDR) is best to characterize fiber links is very important.

Looking for best practices to mitigate the degree of measurement uncertainty in each device?

Check out EXFO’s free app note: OTDR or light source power meters? What’s your best bet for link loss measurement uncertainties? It will give you the clarity you need to determine which device is right for your network.


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