What is a simple device used in DWDM circuits to "cool" a signal.
Respuestas de entrevistas
Anónimo
18 de nov de 2016
I stated that I was not familiar with the term "cool" a signal. Perhaps if she had asked how one reduces power levels on an optic signal, I would have answered correctly.
Anónimo
13 de ene de 2017
I've only heard of an attenuator being used to weaken the DB level on fiber.