1|Page
Att Week 12 (Et) Questions And Answers 100% Verified
Updated!!!
what are fiber optic systems capable of transmitting? - answer
digital and analog signals
what type of measurement is used to identify the quality of an
analog systems signal transmission? - answer snr
what type of measurement is typically used to identify the
quality of a digital system's signal transmission? - answer ber
what type of signal is transmitted over a fiber optic cable? -
answer light
transmitting a modulated signal through a fiber optic cable by
varying the light beam is called? - answer intensity modulation
what signal is usually transmitted through a fiber optic cable by
energizing and de-energizing the light source? - answer pcm
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what does pcm stand for? - answer pulse code modulation
how to determine if a fiber optic system is faulty? - answer
compare the initial input signal to the final output signal
how do you determine if a transmitter is faulty? - answer
compare the initial input signal with the signal applied to the
optical source
how do you determine if a receiver is faulty? - answer compare
the signal from the optical detector with the final output signal
how do you determine if a cable is faulty? - answer compare the
signal applied to the optical light source with the signal from
optical detector
how do you determine if a source is faulty? - answer compare
optical light source and optical detector
Att Week 12 (Et) Questions And Answers 100% Verified
Updated!!!
what are fiber optic systems capable of transmitting? - answer
digital and analog signals
what type of measurement is used to identify the quality of an
analog systems signal transmission? - answer snr
what type of measurement is typically used to identify the
quality of a digital system's signal transmission? - answer ber
what type of signal is transmitted over a fiber optic cable? -
answer light
transmitting a modulated signal through a fiber optic cable by
varying the light beam is called? - answer intensity modulation
what signal is usually transmitted through a fiber optic cable by
energizing and de-energizing the light source? - answer pcm
, 2|Page
what does pcm stand for? - answer pulse code modulation
how to determine if a fiber optic system is faulty? - answer
compare the initial input signal to the final output signal
how do you determine if a transmitter is faulty? - answer
compare the initial input signal with the signal applied to the
optical source
how do you determine if a receiver is faulty? - answer compare
the signal from the optical detector with the final output signal
how do you determine if a cable is faulty? - answer compare the
signal applied to the optical light source with the signal from
optical detector
how do you determine if a source is faulty? - answer compare
optical light source and optical detector
