40G速率OTN系统PMD容限是()(AFEC+P-DPSK)

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A.1dB 代价 7psDGD/2ps PMD

B.1dB 代价 6psDGD/2ps PMD

C.1dB 代价 7.5psDGD/2.5ps PMD

D.1.5dB 代价 8.5psDGD/2.5ps PMD

参考答案:

参考B

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