摘要
本文主要阐述SDH技术的特点、基本的帧结构、工作原理及在SDH通信网中应注意的问题。
This paper describes the features of SDH technology and the frame structure. The principle ofmultiplex is analysed. Several key questions in SDH communication net work are discussed.
出处
《沈阳工程学院学报（自然科学版）》
1999年第1期49-52,共4页
Journal of Shenyang Institute of Engineering:Natural Science
关键词
SDH
帧结构
复用
传输网
SDH
frame structure
multiplex
transmission-net
