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DTT2000数字内话系统

    内话系统(VCS,又称航空管制语音通信系统)是为管制员提供包括无线、有线和网络通信服务的一种语音交换系统,是各级空中交通管制(区域管制、进近管制、塔台管制)系统的重要组成部分。    

    DTT2000数字内话系统是一个基于模块化设计、采用全分散控制方式、全分布结构的大容量、高性能通信系统。该系统采用PCM编码和TDM无阻塞交换网络,保障所有通信的话音质量及所有呼叫无阻塞到达。
系统总体结构

60席位演示系统
 

友好的人机界面
  可靠性设计
     分布式结构     采用公布式的交换网络、控制网络、时钟网络、资源配置
     全分散控制     系统没有核心控制模块,各模块独立运行,互不依赖
     模块化设计     系统最大支持16个模块,每个模块支持256门,模块间相互独立
                      系统支持最大席位数量384
     容错处理       双套的交换网络、控制网络、时钟网络并行运行
异地容灾备份设计    
    该设计可使管制员席位同时连接到两个系统上,使得异地容灾备份设计成为可能。