Which of the following can be the center wavelengths of the pump sources in an EDFA? (Multiple Choice)
After an optical fiber is connected according to the networking diagram, if a critical alarm is reported on the optical port, the SRV indicator on the line board is red.
Which of the following maintenance signals is transmitted from a downstream site to an upstream site in OTN?
Which of the following can be the center wavelengths of the pump sources in an EDFA? (Multiple Choice)
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