BS EN 61375-2-3:2015+A11:2017

# BS EN 61375-2-3:2015+A11:2017: Train Communication Network and System ArchitectureThis British Standard, BS EN 61375-2-3:2015+A11:2017, is a critical technical specification for the railway industry. It defines the requirements and guidelines for the train communication network and system architecture, ensuring interoperability and seamless integration of various subsystems within a train.## Key Features and Benefits- **Comprehensive Guidance**: This standard provides detailed specifications for the design, implementation, and maintenance of train communication networks, covering both wired and wireless technologies.- **Interoperability Assurance**: Adherence to BS EN 61375-2-3 ensures that different train subsystems, such as signaling, passenger information, and control systems, can communicate effectively, regardless of the manufacturer.- **Improved Reliability and Safety**: By standardizing the communication protocols and system architecture, this standard helps to enhance the overall reliability and safety of train operations.- **Compliance and Regulatory Alignment**: Conformance to BS EN 61375-2-3 demonstrates compliance with the latest industry regulations and best practices, which is often a requirement for railway operators and manufacturers.## Technical SpecificationsThe key technical specifications outlined in BS EN 61375-2-3:2015+A11:2017 include:### Train Communication Network Architecture- **Topology**: Defines the recommended network topologies, including star, ring, and hybrid configurations.- **Communication Protocols**: Specifies the use of Ethernet-based protocols, such as TCN (Train Communication Network) and MVB (Multifunction Vehicle Bus), for data exchange.- **Redundancy and Failover**: Outlines requirements for redundant communication paths and failover mechanisms to ensure network resilience.### System Integration and Interfaces- **Subsystem Connectivity**: Provides guidelines for integrating various train subsystems, including HVAC, passenger information, and signaling systems.- **Data Exchange Formats**: Specifies the data formats and communication interfaces to enable seamless data exchange between different components.- **Diagnostic and Monitoring**: Includes requirements for diagnostic tools and monitoring systems to ensure the efficient operation and maintenance of the train communication network.### Performance and Reliability- **Data Throughput**: Defines the minimum data throughput requirements for various train communication applications.- **Latency and Jitter**: Specifies the acceptable levels of latency and jitter to ensure real-time performance for critical systems.- **Environmental Conditions**: Outlines the environmental requirements, such as temperature, humidity, and vibration, that the train communication network must withstand.By adhering to the comprehensive specifications outlined in BS EN 61375-2-3:2015+A11:2017, railway operators and manufacturers can ensure the interoperability, reliability, and safety of their train communication systems, ultimately enhancing the overall passenger experience and operational efficiency.