本書為鐵路信號安全數據網(TBT 3547-2019)的英譯本。本標準規(guī)定了鐵路信號安全數據網的一般要求、組網要求、組網結構、組網設備、網絡接口、網絡管理、網絡地址分配管理和網絡安全。本標準適用于信號安全數據網的設計、產品制造、運用和維護。 This standard specifies the general requirements, networking requirements, networking structure, networking equipment, network interface, network management, network address distribution management and network security of railway signal safety data network.This standard is applicable to the design, product manufacturing, application and maintenance of signal safety data network.