DB42/T 1243-2017 城市轨道交通地下公用移动通信网络共建工程设计规范
简介
DB42/T 1243-2017
城市轨道交通地下公用移动通信网络共建工程设计规范
Code for design of the underground public mobile communication
Network co-construction project of urban rail transit
（报批稿）
2017-05-01实施
2017-01-26发布 目 次 前言 .................................................................................1 引言 ...................................................................................1 1 范围.................................................................................1 2 规范性引用文件.......................................................................1 3 术语和定义...........................................................................1 4 总则.................................................................................1 5 一般规定.............................................................................2 6 无线子系统...........................................................................2 6.1 系统组成及要求 ..................................................................2 6.2 信源设备的选择与设置 ............................................................3 6.3 室内分布系统设计 ................................................................4 6.4 泄漏同轴电缆设计 ................................................................4 6.4.1 泄漏电缆的覆盖计算 ..........................................................4 6.4.2 泄漏同轴电缆的选型 ..........................................................5 6.4.3 泄漏同轴卡具的选型 ..........................................................5 6.4.4 泄漏同轴电缆的配置 ..........................................................5 6.4.5 泄漏同轴电缆的安装 ..........................................................6 7 光缆子系统...........................................................................6 7.1 光缆的选择 ......................................................................6 7.2 终端设备的选择 ..................................................................6 7.3 光缆路由的选择 ..................................................................6 7.4 光缆线路敷设安装 ................................................................7 7.5 光缆接续、进机房及成端 ..........................................................7 8 电源及接地系统.......................................................................7 8.1 交流供电系统 ....................................................................7 8.1.1 总体要求 ....................................................................7 8.1.2 交流基础电源 ................................................................7 8.2 直流供电系统 ....................................................................8 8.2.1 总体要求 ....................................................................8 8.2.2 直流基础电源 ................................................................8 8.2.3 直流供电设备的配置 ..........................................................8 8.2.4 开关电源系统的要求 ..........................................................8 8.3 电缆 ............................................................................8 8.4 防雷与接地系统 ..................................................................8 8.4.1 总体要求 ....................................................................8 8.4.2 电源防雷器安装要求 ..........................................................9 8.4.3 天馈防雷要求 ................................................................9 9 机房及基础工程.......................................................................9 9.1 一般规定 ........................................................................9 9.2 机房的选取 .....................................................................10 9.3 机房的环境要求 .................................................................10 9.3.1 温湿度、气压条件 ...........................................................10 9.3.2 洁净度条件 .................................................................10 9.3.3 机械条件 ................................................................... 10 9.3.4 电磁环境 ................................................................... 10 9.4 机房通风、空调与供暖 ........................................................... 10 9.5 走线架的设计 ................................................................... 10 9.6 机房设备的布置 ................................................................. 11 9.7 隧道区间的设备布置 ............................................................. 11 9.8 通信系统 GPS 天馈的安装 ......................................................... 11 附录 A (规范性附录) 条款表述所用的助动词说明.......................................... 12 参考文献.............................................................................. 13
DB42/T 1243-2017
城市轨道交通地下公用移动通信网络共建工程设计规范
Code for design of the underground public mobile communication
Network co-construction project of urban rail transit
（报批稿）
2017-05-01实施
2017-01-26发布 目 次 前言 .................................................................................1 引言 ...................................................................................1 1 范围.................................................................................1 2 规范性引用文件.......................................................................1 3 术语和定义...........................................................................1 4 总则.................................................................................1 5 一般规定.............................................................................2 6 无线子系统...........................................................................2 6.1 系统组成及要求 ..................................................................2 6.2 信源设备的选择与设置 ............................................................3 6.3 室内分布系统设计 ................................................................4 6.4 泄漏同轴电缆设计 ................................................................4 6.4.1 泄漏电缆的覆盖计算 ..........................................................4 6.4.2 泄漏同轴电缆的选型 ..........................................................5 6.4.3 泄漏同轴卡具的选型 ..........................................................5 6.4.4 泄漏同轴电缆的配置 ..........................................................5 6.4.5 泄漏同轴电缆的安装 ..........................................................6 7 光缆子系统...........................................................................6 7.1 光缆的选择 ......................................................................6 7.2 终端设备的选择 ..................................................................6 7.3 光缆路由的选择 ..................................................................6 7.4 光缆线路敷设安装 ................................................................7 7.5 光缆接续、进机房及成端 ..........................................................7 8 电源及接地系统.......................................................................7 8.1 交流供电系统 ....................................................................7 8.1.1 总体要求 ....................................................................7 8.1.2 交流基础电源 ................................................................7 8.2 直流供电系统 ....................................................................8 8.2.1 总体要求 ....................................................................8 8.2.2 直流基础电源 ................................................................8 8.2.3 直流供电设备的配置 ..........................................................8 8.2.4 开关电源系统的要求 ..........................................................8 8.3 电缆 ............................................................................8 8.4 防雷与接地系统 ..................................................................8 8.4.1 总体要求 ....................................................................8 8.4.2 电源防雷器安装要求 ..........................................................9 8.4.3 天馈防雷要求 ................................................................9 9 机房及基础工程.......................................................................9 9.1 一般规定 ........................................................................9 9.2 机房的选取 .....................................................................10 9.3 机房的环境要求 .................................................................10 9.3.1 温湿度、气压条件 ...........................................................10 9.3.2 洁净度条件 .................................................................10 9.3.3 机械条件 ................................................................... 10 9.3.4 电磁环境 ................................................................... 10 9.4 机房通风、空调与供暖 ........................................................... 10 9.5 走线架的设计 ................................................................... 10 9.6 机房设备的布置 ................................................................. 11 9.7 隧道区间的设备布置 ............................................................. 11 9.8 通信系统 GPS 天馈的安装 ......................................................... 11 附录 A (规范性附录) 条款表述所用的助动词说明.......................................... 12 参考文献.............................................................................. 13
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