略語大辞典 [C] 32 SONET synchronous optical network; a standard by ANSI ソネット. 同期光通信ネットワーク. 北米での光通信規格.synchronous optical network; a standard by ANSI; a standard for optical network elements providing modular building blocks, fixed overhead and integrated operations channels, and flexible payload mappings; basic level is 5 丸善「略語大辞典」JLogosID : 11860014