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ICS 35.240.60 L 67 备案号： 69308-2020 DB11 北京市地方标准 DB11/T 1681—2019 城市轨道交通视频监视系统技术规范 Technical specification for metro transit video monitoring system 2019 -12 -25发布 2020 -04 -01实施 北京市市场监督管理局发布 DB11/T 1681—2019 目次 前言............................................................................... IV 1 范围................................................................................ 1 2 规范性引用文件 ...................................................................... 1 3 术语和定义 .......................................................................... 1 4 缩略语 .............................................................................. 2 5 总则................................................................................ 3 6 逻辑架构 ............................................................................ 3 6.1 系统架构 ........................................................................ 3 6.2 路网层 .......................................................................... 4 6.3 线路中心层 ...................................................................... 4 6.4 车站层 .......................................................................... 4 7 业务要求 ............................................................................ 4 7.1 视频监视原则 .................................................................... 5 7.2 视频监视类别 .................................................................... 5 7.3 视频调用路数 .................................................................... 5 8 功能要求 ............................................................................ 6 8.1 音视频采集 ...................................................................... 6 8.2 实时音视频监视 .................................................................. 6 8.3 录像存储与回放 .................................................................. 6 8.4 智能应用 ........................................................................ 7 8.5 电子地图 ........................................................................ 8 8.6 系统联动告警 .................................................................... 8 8.7 系统故障隔离与独立运行 .......................................................... 9 8.8 异地容错 ........................................................................ 9 8.9 时钟同步 ........................................................................ 9 8.10 系统管理 ....................................................................... 9 8.11 网络管理 ...................................................................... 10 9 性能要求 .............
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