摘要
通过对铁路长大隧道应急通信的研究,提出一种基于EPON无源光网络的应急通信系统,用于铁路长大隧道内的语音、视频图像和数据的传输,解决目前长大隧道应急通信中存在的业务能力弱、抗干扰性差、维护成本高等问题。介绍铁路长大隧道应急系统的组网、站内设备、隧道内光通话柱等相关设备。
Based on the research on me rauway cmc^g~,~y ,~u.. ： ,~ this paper proposes an emergency communication system based on EPON passive optical network for transmitting voice, video image and data in long tunnels, which can resolve the problems of the current emergency communication system such as few services, poor anti-interference ability and high maintenance cost. The paper introduces the network structure, station equipment and optical communication column etc.
出处
《铁路通信信号工程技术》
2013年第6期8-10,共3页
Railway Signalling & Communication Engineering
关键词
铁路
长大隧道
应急通信
EPON
railway
long tunnel
emergency communication system
EPON
