[下载]ITU-T Recommendation G.803

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【资料原名】：ITU-T Recommendation G.803
【资料作者】：ITU-T
【资料日期】：20th of June 1997
【资料语言】：英文
【资料格式】：PDF
【资料目录和简介】：
SERIES G: TRANSMISSION SYSTEMS AND MEDIA,DIGITAL SYSTEMS AND NETWORKS
Digital transmission systems – Digital networks – General aspects
ARCHITECTURE OF TRANSPORT NETWORKS BASED ON THE SYNCHRONOUS DIGITAL HIERARCHY