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H31-311_V2.5 · Question #182
H31-311_V2.5 Question #182: Real Exam Question with Answer & Explanation
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Question
The 1310nm and 1550nm transmission windows are low-loss windows. In a DWDM system, only the 1550nm transmission window is used. Which of the following is the main reason?
Options
- AThe EDFA operating wavelength flatness region is included in this window
- BThe nonlinear effect in the 1550nm wavelength region is very small
- C1550nm wavelength region is suitable for long-distance transmission
- DNone of the above
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