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在阐述了FTTC型双向HFC综合信息网结构的基础上，对1570BBHFC的计算机双向数据通信系统、双向CATV系统及电缆电话系统三个子系统的功能、构成及网络的监控管理进行了详细的设计，并给出了系统的主要性能指标．
Based on the structure of FTTC two-way HFC comprehensive information network, the functions, constitutions and network monitoring and management of 1570BBHFC computer two-way data communication system, two-way CATV system and cable telephone system are described in detail. The main performance index of the system is given.