| 摘要 |
Provided is a wavelength division multiplexing transmission apparatus that enables operation control of transponders each carrying an FBTL optical module from the monitoring control unit by the same operation control as one for the transponders each carrying an NB optical module with four wavelengths assigned. For that purpose, the wavelength division multiplexing transmission apparatus includes the transponders for converting optical signals from wideband wavelengths to narrowband wavelengths, and a monitoring control unit for controlling the transponders by instructions from an operator. Each transponder includes (i) an assigned wavelength determining unit for converting channel information specified by the monitoring control unit into assigned wavelength information assigned to the transponder, and (ii) a full-band tunable laser (FBTL) module control unit for performing control in such a manner as to cause a full-band tunable laser (FBTL) to emit based on the assigned wavelength information after conversion by the assigned wavelength determining unit.
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