泰讯数字数据网在中国的应用

Ascom Timeplex s DDNs for China

数字数据网(DDN)是采用数字信道来传输数据信号的数据传输网。本文简要介绍了DDN的基本特性,北京、上海等中国主要城市引进泰讯公司网络设备建立DDN的情况以及将来二、三年里中国发展DDN的市场预测。

Digital Data Network(DDN) is a data transmisston network using digital channels. This paper brieflv describes the basie features of DDN, the DDNs. with the network products from Ascom Timeplex. installed in some major cities such as Beijing, Shanghai, and China's DDN market projection in the nearfuture.