Which of the following are the main reasons why OSC monitoring signals are not amplified by EDFA along with business signals?

Question

Options

• AEven when the OA fails, the OSC monitoring channel is still valid.
• BThe power of OSC is too low, lower than the amplification sensitivity of OA.
• CThe rate of OSC is too low, and if it is enlarged, the energy efficiency is too low.
• DPrevent monitoring signals from interfering with business signals.

• A
  8% (5)
• B
  6% (4)
• C
  70% (45)
• D
  16% (10)

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