| 摘要 |
An optical system includes an optical module having an optical reception unit that receives input light and output an electric signal related to received input light, and a processing unit having an identification unit that performs identification processing based on a threshold value on the electric signal input via a reception signal path from the optical reception unit. The optical module includes a threshold calculation unit that calculates the threshold value based on the electric signal from the optical reception unit and a signal path characteristic of the reception signal path from the optical reception unit to the identification unit, and the identification unit of the processing unit performs the identification processing based on the threshold value calculated by the threshold calculation unit. Thereby, the threshold value is optimized when the identifier is provided in the unit as a connection destination of the optical module.
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