同步光纤网络 Synchronous Optical Networking ; SONET ; SONET Synchronous optical network

光同步网络 SONET ; Synchronous Optical Network

同步光纤网 SONET Synchronous Optical Network ; SONET ; Synchronous Optical Network ; SONET Synchronous Optical fiber Network

同步光纤网路 Synchronous Optical Network ; SONET ; SMDS

同步光缆网 Synchronous optical network

所提出同步光纤网 SONET-Synchronous Optical Network

光同步数字传输网 SDH ; ip over sdh

同步光网 Synchronous Optical Network ; SONET

光纤同步网 fiber synchronous network

光同步传送网 SYNTRAN ; optical synchronous transport network