摘要
阐述了车站专用数字通信机系统的构成、组网方式及工作原理，并重点说明了该系统的特点及主要功能等。
The system construction and work principle and networking configuration of the railway station private digital communication system are discussed in this paper.We also introduced the features and major functions of this system.
出处
《铁道通信信号》
1999年第5期7-9,共3页
Railway Signalling & Communication
关键词
数字通信
电话集中机
区间电话
铁路通信
Digital communication,Concentrated telephone unit,Track side telephone
