ICS35.020 CCSL60 MZ 中华人民共和国民政行业标准 MZ/T255—2026 殡葬物联网信息系统通信架构与接口要求 Informationsystemforfuneralinternetofthings—Communicationarchitectureand interfacerequirements 2026-04-05发布 2026-04-05实施 中华人民共和国民政部  发布MZ/T255—2026 I目次 前言........................................................................................................................................................................II 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4通信架构...........................................................................................................................................................1 4.1基本要求....................................................................................................................................................1 4.2体系架构....................................................................................................................................................1 4.3感知层........................................................................................................................................................2 4.4网络层........................................................................................................................................................3 4.4.1接入层.................................................................................................................................................3 4.4.2汇聚层.................................................................................................................................................3 4.4.3核心交换层.........................................................................................................................................3 4.5应用层........................................................................................................................................................3 5接口要求...........................................................................................................................................................3 5.1总体要求....................................................................................................................................................3 5.2逻辑接口....................................................................................................................................................3 5.2.1接口分类.............................................................................................................................................3 5.2.2I0接口.................................................................................................................................................3 5.2.3I1接口.................................................................................................................................................3 5.2.4I2接口.................................................................................................................................................3 5.3物理接口....................................................................................................................................................3 5.3.1光纤接口.............................................................................................................................................3 5.3.2RJ45接口............................................................................................................................................4 5.3.3RS232接口.........................................................................................................................................4 5.3.4