A. OSNR
B. dispersion
C. attenuation
D. power budget
E. amplifier spacing
F. four wave mixing
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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
A. All "Add" channels require uniform power levels.
B. The flexibility of wavelengths per OADM is limited.
C. It is easier to balance "Pass-Through" and "Add" channels.
D. There is lower pass-through loss using multi-channel OADMs.
E. You can extract a single channel without dropping other channels.
最新試題
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
SONET Path Terminating Equipment (PTE) requires which three line codes to be supported for DS1 and DS3 circuits?（） (Choose three.)
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)
Which is a legitimate bandwidth matched pair?（）
SONET Code Violations (CVs) totals in the PM tables are actually an accumulation of the number of （）.
UPSR protection switching is initiated by （）, while BLSR is initiated by （）.
Click the Exhibit button. Which type of multiplexer is shown in the exhibit?（）
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)