摘要
同步数字序列(SDH)已成为国际通信标准,并日渐为世界各国所注目。本文给出了SDH的标准化进程、各国SDH的发展简况和过渡策略,以及我国引进SDH的情况,最后就我国发展SDH应采取的策略及方针提出了看法。
As an international communication standard. SDH is becoming the focus of the world. This paper introduces the SDH's standardization process, the status and evolution strategy in the world and presentation in China. Finally, it gives the sug-gestions to develop SDH in China.
出处
《世界电信》
1994年第5期35-37,共3页
World Telecommunications
