A.0mW
B.1mW
C.10mW
D.1.5mW
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A. amplifier
B. attenuator
C. regenerator
D. light emitter
E. optical switch
F. optical receiver
G. fiber-optic cable
A. fiber loss
B. OSNR level
C. post amplification
D. index of reflection
E. index of refraction
F. power post amplification budget
A. low optical power
B. high optical power
C. few optical channels
D. many optical channels
E. low chromatic dispersion
F. high chromatic dispersion
G. too much power differential in the optical channels
A. They are both regions of lowest loss.
B. They are both regions of low reflections.
C. They are both regions of low index of refraction.
D. They are both regions of low chromatic dispersion.
E. They are both regions of low Polarization Mode Dispersion (PMD).
A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio
最新試題
Scrambling of SONET signals is done to （）.
Which device creates an OEO conversion?（）
What are three relevant design considerations when using the 15216 EDFA? （）(Choose three.)
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?（）
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems? （）(Choose three.)
What are two important considerations when using 2- or 4-channel 15216 OADMs?（） (Choose two.)
What is the phenomenon called where different wavelengths of light travel at different speeds?（）
On an ONS 15454 node you can tunnel an （）.
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)