【摘要】 本文论述综合有线传输网络在城市轨道交通工程中的选择及应用,对目前地铁传输系统的应用也作了分析。传输网综合了轨道交通中通信系统的公务通信、专用通信、电视监控、广播,信号系统的列车自动监控和电力监控、火灾报警、自动售检票以及计算机网络(以太网)等各信息,提供传输通道。并对SDH网的传输特点及统一国际标准化产品作了进一步论述。更多还原

【Abstract】 The paper demonstrates the choice and the application of combined cable transmission network in rail transit, and analyzes the application of metro transmission system at pre-sent. Transmission cable network contains business communication, special communication, television control,broadcasting of communication system, train automatic monitor, electric monitor,fire alarm,automatic ticket sale of signal system and computer network etc. in rail transit, and provides a transmission channel, and also studies further detailedly the trans-mission characteristic of SDH network and international standardized product.更多还原