中华人民共和国住房和城乡建设部公告

前　　言

1　总　　则

2　术　　语

3　基本规定

• 3.1　一般规定

• 3.2　接地系统组成

• 3.3　接　地　体

• 3.4　接地引入线

• 3.5　接地汇集线

• 3.6　接　地　线

• 3.7　等电位连接方式

• 3.8　各类缆线的入局方式

• 3.9　接地线布放要求

• 3.10　计算机网络接口、控制终端接口的保护

• 3.11　集中监控系统的接地与接口的保护

• 3.12　局内布线

• 3.13　配电系统

• 3.14　机房内辅助设备的接地

• 3.15　光缆的防雷接地

4　综合通信大楼的防雷与接地

• 4.1　一般规定

• 4.2　接地连接方式

• 4.3　内部等电位接地连接方式

• 4.4　地　　网

• 4.5　进局缆线的接地

• 4.6　通信设备的接地

• 4.7　通信电源的接地

• 4.8　其他设施的接地

• 4.9　建筑防雷设计

5　有线通信局（站）的防雷与接地

• 5.1　交换局、数据局

• 5.2　接入网站、模块局

• 5.3　宽带接入点

• 5.4　光缆中继站

• 5.5　通信设备的直流配电系统接地

6　移动通信基站的防雷与接地

• 6.1　一般原则

• 6.2　地　　网

• 6.3　直击雷保护

• 6.4　天（馈）线接地

• 6.5　直流远供系统的防雷与接地

• 6.6　GPS天（馈）线的防雷与接地

• 6.7　机房内的等电位连接

• 6.8　接地引入线和室内接地处理

• 6.9　其他引入缆线的接地处理

• 6.10　通信设备的直流配电系统接地

7　小型通信站的防雷与接地

• 7.1　一般原则

• 7.2　地　　网

• 7.3　直击雷防护

• 7.4　其　　他

8　微波、卫星地球站的防雷与接地

• 8.1　微波站的防雷与接地

• 8.2　卫星地球站的防雷与接地

9　通信局（站）雷电过电压保护设计

• 9.1　一般规定

• 9.2　防雷器的使用要求

• 9.3　通信局（站）电源系统雷电过电压保护原则

• 9.4　电源防雷器安装要求

• 9.5　计算机网络及各类信号线雷电过电压保护设计原则

附录A　全国主要城市年平均雷暴日数统计表

附录B　全国年平均雷暴日数区划图

附录C　防雷器保护模式要求

附录D　网状、星形和星形-网状混合型接地

附录E　接地电阻的测试

附录F　土壤电阻率的测量

附录G　防　雷　区

本规范用词说明

引用标准名录

1　General provisions

2　Terms

3　Basic requirement

• 3.1　General Requirement

• 3.2　Composition of earthing system

• 3.3　Earth electrode

• 3.4　Earthing connection

• 3.5　Main earthing conductor

• 3.6　Earthing conductor

• 3.7　The types of equipotential bonding

• 3.8　The accessing ways of various cables

• 3.9　The layout requirements of earthing conductor

• 3.10　The protection of network port of computer and controller terminall port

• 3.11　The earthing of centralized monitoring system and protection of the port

• 3.12　The layout of cables in bureau

• 3.13　Power distribution system

• 3.14　The earthing of auxiliary equipment in room

• 3.15　The lightning protection and earthing of optical fiber cable

4　The lightning protection and earthinig of composite telecommunication building

• 4.1　General requirement

• 4.2　The types of earthing and bonding

• 4.3　The types of internal equipotential bonding

• 4.4　Earth grid

• 4.5　The earthing of the cables entering into bureau

• 4.6　The earthinig of telecommunication equipment

• 4.7　The earthing of telecommunication power

• 4.8　The earthing of other facilities

• 4.9　The lighting protection design of building

5　The lighting protection and earthing of access telecommunication bureaus(stations)

• 5.1　Exchange bureau and data bureau

• 5.2　Access network station and module bureau

• 5.3　Broadband access sites

• 5.4　Fiber cable repeater station

• 5.5　The earthing of DC power distribution system for telecommunication equipment

6　The lightning protection and earthiing of mobile telecommunication base station

• 6.1　General requirement

• 6.2　Earth grid

• 6.3　Direct stroke protection

• 6.4　The earthing of antenna and feeding cable

• 6.5　The lightning protectionand earthinig of DC remote feeding system

• 6.6　The lightniing protection and earthing of GPS

• 6.7　Internal equipotential bonding

• 6.8　The handling of earthing connection and internal earthing

• 6.9　The earthing of other accessing cables

• 6.10　The earthing of the DC power distribution system for telecommunication equipment

7　The lightning protection and earthing of small telecommunication station

• 7.1　General requirement

• 7.2　Earth grid

• 7.3　Direct stroke protection

• 7.4　Others

8　The lighning protection and earthing of microwave and satellite stations

• 8.1　The lighning protection and earthing of microwave stations

• 8.2　The lighning protection and earthing of satellite

9　The design of lightning over-voltage protection for telecommunication bureaus(stations)

• 9.1　General requirement

• 9.2　The application requirements of SPD

• 9.3　The principles of lightning over-voltage protection for the power system in telecommunication bureaus (stations)

• 9.4　The installation requirements of AC SPD

• 9.5　The principles of lightning over-voltage protection design for computer networks and signal cables

Appendix A　The tables of the average number of thunderstorm days in one year on majorcities

Appendix B　The nationwide zoned map of the averagenumber of thunderstorm days in oneear

Appendix C　The requirements of SPD protection modeaccording to the earthing

Appendix D　Mesh，star and star-mesh mixedearthing system

Appendix E　The measurement of earthing resistance

Appendix F　The measurement of earth resistivity

Appendix G　Lightning protection zones

Explanation of wording in this code

List of quoted standards