A. lower cost
B. higher chirp
C. easier to manufacture
D. higher dispersion tolerance
E. higher optical signal-to-noise ratio
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A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing
A. PIN photodiodes
B. zero-chirped lasers
C. Erbium-doped fiber amplifiers
D. dispersion compensating fiber
E. dispersion compensating Bragg grating
A.OSNR
B.dispersion
C.light skew
D.attenuation
A.none
B.one
C.two
D.three
E.four
Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux (left side) composite output and the ONS 15216 Demux (right side) composite input, with the optical values given in the exhibit? （）(Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.)
A.15dB
B.17dB
C.21dB
D.26dB
E.27dB
最新試題
Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）
What protection method is used in 4F BLSR networks?（）
What are two important considerations when using 2- or 4-channel 15216 OADMs?（） (Choose two.)
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）
What are three relevant design considerations when using the 15216 EDFA? （）(Choose three.)
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems? （）(Choose three.)
What is the phenomenon called where different wavelengths of light travel at different speeds?（）
If node 2 is accepting line timing from node 1, node 2 will send （）to node 1 as its SSM message.