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Basic dataStandard ID: GA/T 1578-2019 (GA/T1578-2019)Description (Translated English): Specifications for construction of public security communication network for urban rail transit Sector / Industry: Public Security (Police) Industry Standard (Recommended) Classification of Chinese Standard: A90 Classification of International Standard: 33.040.40 Word Count Estimation: 14,188 Date of Issue: 2019 Date of Implementation: 2019-07-01 Issuing agency(ies): Ministry of Public Security GA/T 1578-2019: Specifications for construction of public security communication network for urban rail transit---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Specifications for construction of public security communication network for urban rail transit ICS 33.040.40 A90 GA People's Republic of China Public Safety Industry Standard Code for Construction of Public Security Communication Network for Urban Rail Transit Specifications for construction of public security communication network for urban rail transit Published by the Ministry of Public Security of the People's Republic of China ContentsForeword ... III 1 Scope ... 1 2 Normative references ... 1 3 Terms and definitions ... 2 4 Acronyms ... 2 5 General ... 3 6 Composition of Urban Rail Transit Public Security Communication Network ... 3 7 Urban Rail Transit Public Security Wired Communication Network ... 4 8 Urban Rail Transit Public Security Information Network ... 7 9 Urban Rail Transit Public Security Wireless Communication Network ... 8 10 Urban Rail Transit Public Security Video Network ... 11 11 Auxiliary equipment ... 11 12 Inspection and acceptance ... 11ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by Shenzhen Zhongan Testing Standard Technology Co., Ltd. This standard is under the jurisdiction of the Communications Standardization Technical Committee of the Ministry of Public Security. The main drafters of this standard. Shenzhen Spark Electronic Engineering Company, Shenzhen Zhongan Testing Standard Technology Co., Ltd., Huawei Technologies Co., Ltd. Company, Hytera Communication Co., Ltd., Hangzhou Hikvision Digital Technology Co., Ltd. The main drafters of this standard. Li Xiaohong, Cen Xianchun, Chen Xingkang, Wang Xuejun, Zhou Dazhong, Zhang Yi, Dong Xiaobo, Zhao Huawei, Xiuding Nan, Li Qinchao, Li Lele, Lu Wenlong, Qian Xiaodong, Chen Hualin, Zhao Yufen, Zhu Weihao. Code for Construction of Public Security Communication Network for Urban Rail Transit1 ScopeThis standard specifies the general principles, composition and construction requirements for the construction of public security communication networks for urban rail transit. This standard applies to the planning, design, construction, acceptance and maintenance of urban rail transit public security communication networks.2 Normative referencesThe following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 26718 Technical requirements for safety protection system of urban rail transit GB/T 28181 Technical requirements for information transmission, exchange and control of public safety video surveillance networking systems GB 50157-2013 Metro Design Code GB 50348 technical specifications for security engineering GB 50382 Code for Quality Acceptance of Urban Rail Transit Communication Engineering GB 50395 Engineering Design Specification for Video Security Monitoring System GB 50490-2009 Technical Specifications for Urban Rail Transit GB 51151 Engineering Technical Specification for Public Safety Prevention System of Urban Rail Transit GA/T 1056 General Technical Specification for Police Digital Trunking (PDT) Communication System Lightning protection technical requirements and test methods of YD/T 944 communication power equipment YD/T 983 Electromagnetic compatibility requirements and measurement methods for communication power equipment YD/T 1095 uninterruptible power supply (UPS) for communication YD/T 1096 router equipment technical requirements edge router YD/T 1099 Ethernet Switch Technical Requirements YD/T 1948.1 Technical requirements for transport network bearer Ethernet (EoT) Part 1. Architecture of the Ethernet layer network YD/T 1948.2 Technical Requirements for Transport Networks Carrying Ethernet (EoT) Part 2. Network Section of Ethernet User Network Interface (UNI) Point Interface (NNI) YD/T 1948.3 Technical Requirements for Transport Networks Carrying Ethernet (EoT) Part 3. Ethernet Service Framework YD/T 1948.4 Technical Requirements for Transport Networks Carrying Ethernet (EoT) Part 4. Ethernet Operation, Management and Maintenance (OAM) YD/T 1948.5 Technical requirements for transport network bearer Ethernet (EoT) Part 5. Ethernet private line (EPL) services and Ethernet virtualization Private line (EVPL) business YD/T 2484 Technical requirements for packet enhanced optical transport network (OTN) equipment YD/T 2486 Enhanced Multi-Service Transport Node (MSTP) equipment technical requirements YD/T 2491 Communication Cable Physical Foam Polyethylene Insulated Vertically Wrapped Copper Tape Outer Conductor Radiation Leakage Coaxial Cable Physical/electrical characteristics of ITU-T G.703 synchronous digital interface ITU-T H.323 packet-based multimedia communication system IEEE 802.3 Information technology. Communication and information exchange between systems. Specific requirements for local and metropolitan area networks. Part 3. CSMA/CD access Mode and physical layer specifications Precision clock synchronization protocol for IEEE 1588 network measurement and control system3 terms and definitionsThe following terms and definitions apply to this document. 3.1 Urban rail transit Urban public passenger transportation system with dedicated track-oriented operation, including subway, light rail, monorail, tram, maglev, automatic Guiding track, city fast track system. [GB 50490-2009, definition 2.0.1] 3.2 Public security communication network for urban rail transit A dedicated network for public security wired communications, wireless communications, video transmission, and information transmission in urban rail transit. 3.3 Public security wired communication network for urban rail transit A network that provides information transmission channels and VoIP voice services for urban rail transit public security communication networks. 3.4 Public security information network for urban rail transit Dedicated network that handles public security information services for urban rail transit and can access the national public security information network 3.5 Public security wireless communication network for urban rail transit A network that provides wireless communication services for urban rail transit public security and can access public security wireless communication systems. 3.6 Public security video surveillance network for urban rail transit A network used to transmit public security video images of urban rail transit, assemble video image information systems at all levels, and support public security video image services. Network. 3.7 Police room Police officers are stationed in rail transportation.4 AcronymsThe following abbreviations apply to this document. BMC. Best Master Clock FE. Fast Ethernet GE. Gigabit Ethernet MPLS. Multi-Protocol Label Switching MSTP. Multi-Service Transmission Platform POTS. Plain Old Telephone Service QoS. Quality of Service RAMS. Reliability, Availability, Maintainability and Safety (Reliability, Availability, Maintenanceability, Safety) SDH. Synchronous Digital Hierarchy SIP. Session Initiation Protocol TDM. Time Division Multiplexing UPS. Uninterruptible Power Supply VoIP. Voice over Internet Protocol5 General5.1 The construction of the urban rail transit public security communication network should be planned, designed, and constructed simultaneously with the urban rail transit project construction. Step acceptance. 5.2 The maintenance of the urban rail transit public security communication network shall be synchronized with the maintenance of urban rail transit projects. 5.3 The construction of public security communication network for urban rail transit shall comply with the current national engineering construction standards and related technical specifications. 5.4 The design of the urban rail transit public security communication network should be open, expandable, and flexible to facilitate network updating and transformation. 5.5 The urban rail transit public security communication network equipment shall comply with national standards, public safety industry standards, and related regulations. 5.6 The public security communication network of urban rail transit shall be interconnected with the existing public security communication network.6 Composition of Public Security Communication Network for Urban Rail TransitUrban rail transit public security communication network consists of urban rail transit public security wired communication network, urban rail transit public security information network, urban rail The traffic public security wireless communication network, the urban rail transit public security video private network, and ancillary supporting equipment are composed of Figure 1 Figure 1 Composition of the public security communication network of urban rail transit7 Urban Rail Transit Public Security Wired Communication Network7.1 Network composition The urban railway public security wired communication network consists of digital transmission equipment, VoIP systems, and communication optical cables. 7.2 Functional requirements 7.2.1 Digital transmission equipment 7.2.1.1 Both the Ethernet service interface and the TDM service interface shall be provided. 7.2.1.2 Different types of services should be physically isolated through independent time slots or wavelengths to ensure that the various services in the digital transmission system are independent of each other Disturb. 7.2.1.3 Interconnection interfaces should be provided for public security information transmission equipment. The type and number of interfaces should be based on the equipment types and actual bandwidth requirements of both parties. Seek choice. 7.2.1.4 At least one primary and one secondary E1 or FE port shall be provided for each node of the urban rail transit public security wireless communication network. 7.2.1.5 Each node of the urban rail transit public security information network shall be provided with at least one master and one backup 2 GE ports. 7.2.1.6 At least one master and one backup 2 GE ports shall be provided for each node of the urban rail transit public security video private network. 7.2.1.7 Transmission channels shall be reserved for the urban rail transit public security information network. The type, number and bandwidth of the interfaces shall be selected according to actual needs. 7.2.1.8 Equipment network management shall be configured with self-diagnostic functions, which can perform fault management, performance management, configuration management, and security management. should The interface that is interconnected with the upper-level network management is reserved to implement system fault alarm upload. The network management terminal should adopt a Chinese interface, and the interface should be concise and straightforward. View and graphic. 7.2.1.9 It shall support physical layer clock synchronization technology, IEEE 1588 precision clock synchronization technology, synchronous Ethernet technology, etc. 7.2.1.10 The main units such as the main control, switching (crossover), and power supply of the equipment shall be backed up by 1 1 hot backup. 7.2.1.11 has redundancy protection function. When a network node device fails, other network node devices should be able to keep working normally. And can be automatically switched when a single node or link fails. 7.2.1.12 It shall support relevant interfaces that comply with international standards, national standards and industry standards. 7.2.2 VoIP System To provide internal fixed telephone communication services based on the IP method, it should follow the ITU-T H.323 or SIP standard protocol. It has configuration, statistics, Network management functions such as fault query and alarm. 7.2.3 Communication Optical Cable It should meet the information transmission requirements of urban rail transit public security wireless communication network, public security video private network, and public security information network. 7.3 Performance requirements 7.3.1 Digital transmission equipment 7.3.1.1 Transmission performance The following requirements should be met. a) The real-time service two-way delay is not greater than 50ms, the jitter is not greater than 20ms, and the packet loss rate is not greater than 1 × 10-3; b) The two-way delay of non-real-time services is not greater than 1.5s, the jitter is not greater than 1s, and the packet loss rate is not greater than 3 × 10-2; c) The upper limit of the bit error rate of the TDM service is not greater than 1 × 10-6; d) The upper limit of the packet loss rate of the Ethernet service is not greater than 1 × 10-3. 7.3.1.2 Bandwidth Meets the following requirements. a) The ethernet link bandwidth of the urban rail transit public security information network should not be less than 1000 Mbps; b) The ethernet link bandwidth of the urban rail transit public security wireless communication network should not be less than 100 Mbps; c) The ethernet link bandwidth of the urban rail transit public security video private network should not be less than 10 Gbps; d) The UPS uninterruptible power supply in the auxiliary equipment and the Ethernet link bandwidth used for environmental monitoring should not be less than 100 Mbps; e) Reserve the corresponding bandwidth according to actual needs. 7.3.1.3 Interface Should adopt international standard agreement, meet the following requirements. a) It has 10GE, GE, FE service interfaces and meets the requirements of IEEE 802.3; b) It has E1 service interface and meets the requirements of ITU-T G.703. 7.3.1.4 Redundancy Redundant protection switching time should not be greater than 50ms. 7.3.1.5 Synchronization Provides no less than 2 synchronous clock input/output interfaces, and the single-shot time accuracy degradation should not be greater than 30ns. 7.3.1.6 QoS Should have a QoS guarantee mechanism. 7.3.1.7 RAMS The following requirements should be met. a) Availability is not less than 99.999%; b) MTTR is less than 2h; c) MTBF is not less than 25000h. 7.3.2 VoIP System 7.3.2.1 Gatekeeper The number of gateways managed by the gatekeeper should be no less than 300, and it should be scalable. 7.3.2.2 IP Voice Gateway (Gateway) Provide POTS telephone interface and Ethernet interconnection interface. The Ethernet interface should comply with the Ethernet standard defined by IEEE 802.3. 7.3.3 Communication Optical Cable It shall meet the requirements of 16.2 in GB 50157-2013. 7.4 Construction requirements 7.4.1 Digital transmission equipment 7.4.1.1 According to the type of bearer service and bandwidth requirements, SDH, MSTP, OTN and other standard equipment networking should be used, which should comply with YD/T 1948.1 YD/T 1948.2, YD/T 1948.3, YD/T 1948.4, YD/T 1948.5, YD/T 2484 and YD/T 2486. 7.4.1.2 It shall be independent from the dedicated (operating) communication transmission network of urban rail transit, and a dedicated optical network for public security communication of urban rail transit shall be established. Fiber self-healing ring network. 7.4.1.3 The number of various service interfaces shall allow a margin of not less than 30%. 7.4.2 VoIP System The voice gateway of the police station should provide no less than 100 POTS telephone interfaces and one Ethernet interface; the police gateway voice gateway should provide Less than 2 POTS telephone interfaces and 1 Ethernet interface. 7.4.3 Communication Optical Cable 7.4.3.1 One backbone optical cable shall be laid on the entire line of the urban rail transit, as the basic optical cable link, and each optical cable shall be no less than 96 cores. For stations with more than 20 stations (or the total line length is greater than 30 km), it is advisable to add one line in each direction. In the 48-core long-distance optical cable, it solves the problem of excessive attenuation of the trunk optical path. 7.4.3.2 Each line of urban rail transit should be laid with no less than 24 core branch optical fiber cables in each station, which is used for the business between communication equipment in the station. Service optical signal transmission. 7.4.3.3 All lines of urban rail transit should be laid with communication optical cables between the police equipment rooms at each interchange station, and the optical cables should not be less than 96 cores. 7.4.3.4 At least two suitable stations and stations should be selected to lay communication optical cables with relevant public security departments nearby. The optical cables should not be less than 96 cores. 7.4.3.5 The communication optical cable should consider the capacity requirement for optical signal forwarding, and plan the redundancy of the number of optical cable cores. Expansion reserve. 7.4.3.6 Communication optical cables should be laid separately from strong power cables. When optical cables and power cables are laid on the same path, non-metallic reinforced cores should be used. 7.5 Maintenance and service life requirements 7.5.1 Maintenance requirements After the construction of the urban rail transit public security wired communication network, it should be routinely inspected digital transmission equipment, VoIP system, Communication cable and other operating conditions. 7.5.2 useful life The following requirements should be met. a) Digital transmission equipment. not less than 8 years; b) VoIP system. no less than 8 years; c) Communication optical cable. not less than 15 years.8 Urban Rail Transit Public Security Information Network8.1 Network composition The urban rail transit public security information network consists of routers, switches, and computer terminals. 8.2 Functional requirements 8.2.1 It shall be networked with the local public security information network. 8.2.2 The routers and switches should have the Telecommunication Equipment Network Access License issued by the Ministry of Industry and Information Technology of the People's Republic of China. 8.2.3 The switching capacity, transmission rate and interface configuration of routers and switches shall meet the requirements of the local public security information network. 8.2.4 The established public security information network cannot meet the requirements for the use of new rail lines, and the equipment should be expanded. 8.2.5 Routers and switches should have Layer 2 switching and Layer 3 routing functions and should support MPLS forwarding functions. 8.2.6 Routers and switches shall support VLAN isolation, shall support stacking functions, and shall support link aggregation. 8.2.7 An independent urban rail transit public security information network network management should be set up or shared with digital transmission equipment. 8.2.8 Information security functions such as security access control, network troubleshooting, and performance monitoring should be available. 8.3 Performance requirements 8.3.1 The performance of the router shall meet the requirements of YD/T 1096. 8.3.2 The performance of the switch shall meet the requirements of YD/T 1099. 8.4 Construction requirements 8.4.1 The computer terminal of the police station should be configured according to the size of the police station and police personnel. It should be equipped with no less than 20; Shoul...... |
