Method used to adjust the working mode of the RAU board to the target value

If the RAU board is not in the gain locking mode before the commissioning, it automatically changes to the gain locking mode during the commissioning. After the commissioning is complete, if the gain of the RAU board cannot compensate for the line attenuation, you need to manually change the working mode of the RAU board to the maximum gain mode or the power locking mode. Then, manually adjust the optical power of the RAU board and that of the optical amplifier behind the RAU board to meet the system optical power requirement.

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