The coherent receiver technology uses the local oscillator laser that has the same frequency as received signals to perform coherent processing and recovers the ( ) information from the received signals. (Multiple Choice)
Answer(s): A,C,D
Which of the following is not a condition for triggering multiplex section protection (MSP)?
Answer(s): B
Which of the following is the meaning of "L" in the optical module parameter "L-64.2"?
Answer(s): A
Which of the following methods can be used to multiplex lower-order ODUk to higher-order ODUk?
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