摘要
数字数据网(DDN)是利用数字信道(光缆或数字微波)及数字交叉连接(DXC)设备来传送数据信号的数据传输网。目前,组建全国性的DDN既有必要性又有可能性。本文针对规划和建设全国性DDN存在的若干问题提出了建议。
Digital data network(DDN) is contrived to transmit data signals with digital channels( optical cable or digital microwave) and digital cross connect(DXC) equipment. Today building national DON is both necessary and posssible in China. In this paper, proposals are given for solving the problems in planning and construction of DON.
出处
《世界电信》
1994年第1期12-14,19,共4页
World Telecommunications
关键词
数字数据网
通信网
Digital communication networks Data commu- nication networks Network planning
