A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
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