ICS49.060 CCSL70 T/CICC 中国指挥控制学会团体标准 T/CICC45002-2025 2025-06-30发布 2025-06-30实施 中国指挥与控制学会发布多余度同步交换网络iRAX RedundantSynchronousSwitchingNetwork 全国团体标准信息平台 T/CICC45002—2025 I目  次 前  言.............................................................................IV 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义、缩略语..................................................................2 3.1术语和定义......................................................................2 3.2缩略语..........................................................................5 4同步交换网络iRAX架构................................................................8 4.1网络通信要求....................................................................8 4.2协议层次要求....................................................................8 4.3同步交换网络iRAX拓扑结构........................................................9 4.3.1基本拓扑结构................................................................9 4.3.2双余度拓扑结构..............................................................9 4.3.3双余度多路径拓扑结构........................................................9 5物理层.............................................................................10 5.1电缆物理层.....................................................................10 5.1.1接口规范...................................................................10 5.1.2传输介质规范...............................................................10 5.1.3传输速率...................................................................11 5.2光纤物理层.....................................................................11 5.2.1接口规范...................................................................11 5.3光纤通道编码8B/10B传输码.......................................................11 5.3.1符号约定...................................................................11 5.3.2字符编码和译码.............................................................11 5.3.3传输速率...................................................................12 6数据链路层.........................................................................12 6.1协议架构.......................................................................12 6.1.1通用服务...................................................................12 6.1.2数据链路层服务体系.........................................................12 6.1.3协议接口规范...............................................................13 6.2帧间距与空闲状态...............................................................13 6.2.1帧间距规范.................................................................13 6.2.2时间范围规范...............................................................13 6.2.3配置与应用规则.............................................................13 6.2.4帧间距数据要求.............................................................13 6.3帧定界.........................................................................14 6.3.1基于以太网报文定界格式.....................................................14 6.3.2基于光纤通道报文定界格式...................................................15 6.4报文格式要求...................................................................16 6.4.1报文定义...................................................................16 6.4.2字段详解...................................................................17 全国团体标准信息平台 T/CICC45002—2025 II6.5地址识别.......................................................................22 6.5.1终端.......................................................................22 6.5.2寻址.......................................................................23 6.5.3单播.......................................................................23 6.5.4组播.......................................................................23 6.5.5广播.......................................................................23 6.6冗余处理.......................................................................23 6.6.1帧复制.....................................................................23 6.6.2帧消除.....