摘要
本文介绍了全国长途干线PDH传输网网管系统组成结构，并根据传输网网管的特点，从技术角度对今后长途传输网网管系统的改进和发展提出了几点意见及建议。
This article introduces the structure of the nation's toll transmission network management system, and brings some issues about the development of the toll transmission network management system from the characteristics of this system and the technology used in this system.
出处
《电信科学》
北大核心
1999年第9期31-33,共3页
Telecommunications Science
关键词
PD
SDH
长途传输网
网管系统
PDH, SDH, toll transmission network, network management system, issue
