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G.704 is an ITU-T standard for synchronous frame structures used at 1544, 6312, 2048, 8448 and 44 736 kbit/s hierarchical levels. G.704 gives functional characteristics of interfaces associated with: * network nodes, in particular, synchronous digital multiplex equipment and digital exchanges in IDNs for telephony and ISDNs; and * PCM multiplexing equipment. == External links == * (Synchronous frame structures used at 1544, 6312, 2048, 8448 and 44 736 kbit/s hierarchical levels ) 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「G.704」の詳細全文を読む スポンサード リンク
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