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MH/T 5021-2004 Design code for generic cabling system of civil airport terminal building has been implemented since May 1, 2004, which has met the needs of airport construction for a period of time and played an important role in guiding the engineering design of generic cabling system engineering of civil airport terminal building in China. With the rapid development of airport business and weak current technology in recent years, the code has lagged behind the needs of actual design work, so it was revised and renamed as Design code for generic cabling system engineering of civil airport terminal building.
During the process of developing this code, the opinions of relevant units and experts were extensively solicited, and finalized the code through review.
This code consists of 6 clauses. The main contents include: general provisions, terms and abbreviations, system design, system configuration design, design requirements for installation process, lightning protection, grounding, etc.
During the process of developing this code, modifications and supplements were made on the basis of maintaining the basic framework of the original code, which are mainly reflected in the following aspects:
——The relevant contents of terms and abbreviations are adjusted and supplemented;
——The technical requirements for the generic cabling system design of the terminal building are supplemented, and the distribution requirements for the relevant functional areas of the terminal building are put forward.
The first clause of this code is written by Pan Xiangqian, the second by He Min, the third by Pan Sutan, the fourth by Song Yanping, the fifth by Cai Zhenhe and the sixth by Pan Xiangqian and Shi Yongtao.
Design code for generic cabling system of civil airport terminal building was first published in 2004. The chief development organization is China Civil Airport Equipment Co., LTD., and the chief drafter is Shan Jilai. This edition is the first revision.
Design code for generic cabling system engineering of civil airport terminal building
1 General provisions
1.0.1 This code is formulated to guide and standardize the design of generic cabling system of civil transport airport terminal building and promote the construction of generic cabling system of civil transport airport terminal building.
1.0.2 This code is applicable to the design of generic cabling system and system upgrading of new terminal building of civil transport airport (including civil part of military & civil airport). The upgrading of the original system may be implemented with reference to this code.
[Explanation of Provisions] The newly-built generic cabling system of the terminal building refers to the newly-built system in airport construction, reconstruction, extension and relocation projects.
1.0.3 The design of the generic cabling system of the terminal building shall aim at the specific characteristics of civil transport airports, and be "safe and applicable, advanced in technology, economical and reasonable, environment protecting, and easy to expand".
1.0.4 In addition to this code, the design of generic cabling system of the terminal building shall meet the relevant current national provisions or standards.
2 Terms and abbreviations
2.1 Terms
2.1.1
cabling system
cabling system which adopts modular structure and uses various cables, jumpers, patch cable and connecting hardware to provide a set of standard signal transmission channel system for voice and data equipment in the terminal building
2.1.2
telecommunications room
special room where distributor is placed and cables are cross-connected
2.1.3
work area
independent area which is provided with terminal equipment
2.1.4
channel
end-to-end transmission channel connecting two application devices, including equipment cable, optical cable of equipment, cable and optical cable of work area
2.1.5
link
transmission line such as CP link or permanent link
2.1.6
permanent link
transmission line between the telecommunications outlet and the floor distributor, which the work area cables, equipment cables connecting the floor distribution room and jumpers are not included, but a CP link is included
2.1.7
consolidation point (CP)
connection point in horizontal cable route between floor distributor and work area telecommunications outlet
2.1.8
cp link
permanent link between floor distributor and CP, including connecting hardware at each end
2.1.9
campus distributor
distributor that terminates the campus backbone cable
2.1.10
building distributor
distributor that terminates the building backbone cable or campus backbone cable
2.1.11
floor distributor
distributor for terminating horizontal cables, horizontal optical cables and other cabling subsystem cables
2.1.12
connecting hardware
device or group of devices which used to connect cable pairs with optical fibers
2.1.13
optical fiber connector
device that connects one or two pairs of optical fiber connectors
2.1.14
campus backbone cable
cables and optical cables connecting building distribution frames with building distribution frames in campus
2.1.15
horizontal cable
connecting cables from floor distributor to telecommunications outlet
2.1.16
telecommunications outlet (TO)
telecommunications outlet module for termination of various cables or optical cables
2.1.17
jumper
connecting cables between distributors
2.1.18
cable
cable or optical cable which composed of one or more pairs of the same type in a sheath
2.1.19
optical cable
cable consisting of a single or multi-core optical
2.1.20
cable unit
combination of cable pairs or optical fibers of the same model and category
2.1.21
pair
two conductors in a balanced transmission line which generally refer to twisted pairs
2.1.22
balanced cable
symmetrical cable consisting of one or more pairs of metal conductors
2.1.23
screened balanced cable
balanced cable with general screened and/or screen for each pair
2.1.24
unscreened balanced cable
balanced cable without screen
2.1.25
patch cable
flexible cables or optical cables with connecting hardware at the ends
2.1.26
multi-user telecommunications outlet
combination outlets of telecommunications outlet modules
2.1.27
cross-connect
distributor and communication equipment which are connected by connecting hardware on patch cables or jumpers
2.2 Abbreviations
Table 2.2 Abbreviations
Abbreviation English name Chinese name or explanation
ACR Attenuation to Crosstalk Ratio 衰减—串音衰减比率
BD Building Distributor 建筑物配线设备
CD Campus Distributor 建筑群配线设备
CP Consolidation Point 集合点
ELFEXT Equal level far end crosstalk attenuation (loss) 等电平远端串音衰减（损耗）
FD Floor Distributor 楼层配线设备
FEXT far end crosstalk attenuation (loss) 远端串音衰减（损耗）
HUB HUB 集线器
IEC International Electronical Commission 国际电工技术委员会
IL Insertion loss 插入损耗
IP Internet Protocol 因特网协议
ISO International organization for Standardization 国际标准化组织
RL Return loss 回波损耗
TE Terminal equipment 终端设备
TO Telecommunication Outlet 信息点(电信引出端)
Vr.m.s Vroot. Mean. Square 电压有效值
3 System design
3.1 General requirements
3.1.1 The engineering design of the generic cabling system of the terminal building shall be carried out according to the nature, function, environmental conditions and the short-term and long-term user needs of the project, and the convenience of construction and maintenance shall be considered to ensure the safety and quality of the generic cabling system engineering, and the design of the generic cabling system of the airport campus shall be planned as a whole.
3.1.2 The generic cabling system shall be planned s a whole and coordinated with the telecommunication system, weak current system, public safety system and building equipment management system, and the design shall be optimized according to the transmission requirements of each system.
3.1.3 In the engineering design of generic cabling system, a unified service platform shall be provided for multiple telecom operators.
3.2 System composition
3.2.1 The generic cabling system shall support the transmission of information such as voice, data, image and multimedia services. The network structure of the generic cabling system shall be an open topological structure, which shall meet the design requirements of each network of the terminal building.
3.2.2 The engineering of generic cabling system shall be designed according to the following seven parts:
1 Subsystem of work area——composed of connecting cables and connectors extending from the telecommunications outlet module of the distribution subsystem to the terminal equipment.
2 Distribution subsystem——composed of telecommunications outlet module in the work area, distribution cable and optical cable from telecommunications outlet module to distributor in telecommunications room, distributor and equipment cables and jumpers in telecommunications room, etc.
3 Backbone cabling subsystem——composed of backbone cables and optical cables from equipment room to telecommunications room, building distributor installed in equipment room, equipment cables and jumpers.
4 Campus subsystem——composed of backbone cables and optical cables connecting several airport buildings, campus distributor and equipment cables and jumpers.
5 Equipment room subsystem——a room for network management and information exchange at appropriate locations of buildings such as terminal buildings. For the engineering design of generic cabling system, the equipment room is mainly used to install building distributor. Telephone exchange, computer host equipment and entrance facilities may also be set together with distributor.
[Explanation of Provisions] The equipment room of the terminal building generally refers to the weak-current engine room or weak-current host room, in which the main distribution room may usually be located.
6 Cable vault subsystem——it is set at the entrance of communication and information pipelines outside buildings such as terminal buildings, and may be used as the installation site for entrance facilities and distributors of some buildings.
7 Management subsystem——identify and record the distributors, cables, telecommunications outlet modules and other facilities in the work area, telecommunications room, equipment room and cable vault according to a certain mode.
3.2.3 The basic structure of the generic cabling system of terminal building is shown in Figure 3.2.3, in which CP may be set according to actual requirements.
Foreword ii 1 General provisions 2 Terms and abbreviations 2.1 Terms 2.2 Abbreviations 3 System design 3.1 General requirements 3.2 System composition 3.3 System indexes 3.4 Professional system cabling 3.5 Cabling of office area and commercial area 4 System configuration design 4.1 Subsystem of work area 4.2 Distribution subsystem 4.3 Backbone cabling subsystem 4.4 Airport campus subsystem 4.5 Subsystem of equipment room 4.6 Subsystem of cable vault 4.7 Management subsystem 5 Design requirements for installation process 5.1 Work area 5.2 Telecommunications room 5.3 Main cabling room 5.4 Cable vault 5.5 Cable laying 6 Lightning protection and grounding 6.1 Lightning protection 6.2 Grounding Explanation of wording in this standard List of quoted standards
1 总则 1.0.1 为指导和规范民用运输机场航站楼综合布线系统的设计，促进民用运输机场航站楼综合布线系统建设，制订本规范。 1.0.2 本规范适用于民用运输机场(包括军民合用机场的民用部分)新建航站楼综合布线系统及系统升级改造的设计，原有系统升级改造可参照本规范执行。 【条文说明】新建航站楼综合布线系统是指机场新建、改建、扩建、迁建项目中的新建系统。 1.0.3 航站楼综合布线系统的设计，应针对民用运输机场的具体特点，做到“安全适用、技术先进、经济合理、绿色环保、便于扩展”。 1.0.4 航站楼综合布线系统的设计，除应符合本规范外，尚应符合国家现行有关规定或标准的要求。 2 术语和缩略语 2.1 术语 2.1.1 综合布线系统 cabling system 采用模块化结构，使用各种线缆、跳线、接插软线和连接器件，为航站楼的语音、数据设备提供一套标准的信号传输通道的系统。 2.1.2 弱电间 telecommunications room 放置配线设备并进行线缆交接的专用房间。 2.1.3 工作区 work area 设置终端设备的独立区域。 2.1.4 信道 channel 连接两个应用设备的端到端的传输通道，包括设备电缆、设备光缆、工作区电缆和工作区光缆。 2.1.5 链路 link 一种传输线路，如CP链路或永久链路。 2.1.6 永久链路 permanent link 信息点与楼层配线设备之间，不包括工作区线缆、连接楼层配线间的设备线缆、跳线，但可以包括一个CP链路的传输线路。 2.1.7 集合点(CP) consolidation point 楼层配线设备与工作区信息点之间水平线缆路由中的连接点。 2.1.8 CP链路 cp link 楼层配线设备与CP之间，包括各端的连接器件在内的永久链路。 2.1.9 建筑群配线设备 campus distributor 终接建筑群主干线缆的配线设备。 2.1.10 建筑物配线设备 building distributor 终接建筑物主干线缆或建筑群主干线缆的配线设备。 2.1.11 楼层配线设备 floor distributor 终接水平电缆、水平光缆和其他布线子系统线缆的配线设备。 2.1.12 连接器件 connecting hardware 用于连接电缆线对和光纤的一个或一组器件。 2.1.13 光纤适配器 optical fiber connector 连接一对或两对光纤连接器的器件。 2.1.14 建筑群主干电(光)缆 campus backbone cable 在建筑群内连接建筑群配线架与建筑物配线架的电缆、光缆。 2.1.15 水平线缆 horizontal cable 楼层配线设备到信息点之间的连接线缆。 2.1.16 信息点(TO) telecommunications outlet 各类电缆或光缆终接的信息插座模块。 2.1.17 跳线 jumper 配线设备之间的连接线缆。 2.1.18 线缆 cable 在一个护套里，一个或多个同一类型的线对组成的电缆或光缆。 2.1.19 光缆 opical cable 由单芯或多芯光纤构成的线缆。 2.1.20 电缆、光缆单元 cable unit 型号和类别相同的电缆线对或光纤的组合。 2.1.21 线对 pair 一个平衡传输线路中的两个导体，一般指对绞线对。 2.1.22 平衡电缆 balanced cable 由一个或多个金属导体线对组成的对称电缆。 2.1.23 屏蔽平衡电缆 screened balanced cable 带有总屏蔽和/或每线对均有屏蔽物的平衡电缆。 2.1.24 非屏蔽平衡电缆 unscreened balanced cable 不带屏蔽物的平衡电缆。 2.1.25 接插软线 patch cable 线端带有连接器件的软电缆或软光缆。 2.1.26 多用户信息插座 multi-user telecommunications outlet 若干信息插座模块的组合点。 2.1.27 交接(交叉连接) cross-connect 配线设备和信息通信设备之间采用接插软线或跳线上的连接器件相连的一种连接方式。 2.2 缩略语 表2.2 缩略语 英文缩写 英文名称 中文名称或解释 ACR Attenuation to Crosstalk Ratio 衰减串音衰减比率 BD Building Distributor 建筑物配线设备 CD Campus Distributor 建筑群配线设备 CP Consolidation Point 集合点 ELFEXT Equal level far end crosstalk attenuation (loss) 等电平远端串音衰减(损耗) FD Floor Distributor 楼层配线设备 FEXT far end crosstalk attenuation (loss) 远端串音衰减(损耗) HUB HUB 集线器 IEC International Electronical Commission 国际电工技术委员会 IL Insertion loss 插入损耗 IP Internet Protocol 因特网协议 ISO International organization for Standardization 国际标准化组织 RL Return loss 回波损耗 TE Terminal equipment 终端设备 TO Telecommunication Outlet 信息点(电信引出端) Vr.m.s Vroot. Mean. Square 电压有效值 3 系统设计 3.1 一般规定 3.1.1 航站楼综合布线系统的工程设计，应根据工程项目的性质、功能、环境条件和近、远期用户需求进行，并考虑施工和维护的便利，确保综合布线系统工程的安全和质量，并应统筹规划机场建筑群综合布线系统的设计。 3.1.2 综合布线系统应与信息系统、弱电系统、公共安全系统和建筑设备管理系统等统筹规划、相互协调，并按照各系统的传输要求优化设计。 3.1.3 在综合布线系统工程设计中，应为多家电信业务运营商提供统一的业务平台。 3.2 系统构成 3.2.1 综合布线系统应支持语音、数据、图像和多媒体业务等信息的传递。综合布线系统网络结构应为开放式拓扑结构，并应满足航站楼各网络设计需求。 3.2.2 综合布线系统工程宜按下列七个部分进行设计： 1 工作区子系统——由配线子系统的信息插座模块延伸到终端设备处的连接线缆及适配器组成。 2 配线子系统——由工作区的信息插座模块、信息插座模块至弱电间配线设备的配线电缆和光缆、弱电间的配线设备及设备线缆和跳线等组成。 3 干线子系统——由设备间至弱电间的干线电缆和光缆、安装在设备间的建筑物配线设备及设备线缆和跳线组成。 4 建筑群子系统——由连接多个机场建筑物之间的主干电缆和光缆、建筑群配线设备及设备线缆和跳线组成。 5 设备间子系统——在航站楼等建筑物的适当地点进行网络管理和信息交换的房间。对于综合布线系统工程设计，设备间主要用于安装建筑物配线设备。电话交换机、计算机主机设备及入口设施也可与配线设备设置在一起。 【条文说明】航站楼设备间一般指弱电机房或弱电主机房，总配线间通常可设在其内。 6 进线间子系统——设置在航站楼等建筑物外部通信和信息管线的入口部位，并可作为入口设施和部分建筑群配线设备的安装场地。 7 管理子系统——对工作区、弱电间、设备间、进线间的配线设备、线缆、信息插座模块等设施按一定的模式进行标识和记录。 3.2.3 航站楼综合布线系统基本构成如图3.2.3，其中CP可按实际需求设置。
