基于塑料光纤的双网融合数据通信系统设计

Design of dual network convergence data communication system based on plastic optical fiber

传统光纤网络到户和用电数据采集需要两张不同的通信网络,安装和后期维护复杂且费用高。提出并实现一种基于塑料光纤的双网融合通信传输系统,主要由塑料光纤光网络单元(ONU)、介质转换器和用电集采模块三部分组成,分别负责石英光纤信号与塑料光纤信号、塑料光纤信号与双绞线电信号以及塑料光纤信号与TTL串口信号的转换传输。系统采用高集成、高带宽的塑料光纤光收发模块,具有高带宽、易施工、便于维护和不受环境影响等优势。测试结果表明:该系统既能承载家庭用户入户上网,丢包率低于10-9,也能实时准确获取高密度、多参量的用电数据。

Traditional fiber-optic network-to-home and power-use data collection require two different communication networks.Installation and post-maintenance are complex and costly.A dual-network fusion communication transmission system based on plastic optical fiber was proposed and implemented.The system is mainly composed of plastic optical fiber optical network unit(ONU),medium converter and power collection module,responsible for the conversion and transmission between silica fiber signal and plastic fiber signal,plastic fiber signal and twisted-pair electrical signal and plastic fiber signal and TTL serial signals,respectively.The system adopts high-integration and high-bandwidth plastic optical fiber transceiver module,which utilizes the advantages of high bandwidth,easy construction,easy maintenance and environmental unaffected.The test results show that the system can not only carry home users to the Internet with a packet loss rate lower than 10-9,but also obtain high-density and multi-parameter power data collection in real time.