Telecommunications and information exchange between systems — Specific requirements for local and metropolitan area networks — Part 3: Standard for Ethernet — Amendment 1: Physical layer specifications and management parameters for 2.5 Gb/s and 5 Gb/s operation over backplane
系统间电信和信息交换局域网和城域网的特殊要求第3部分:以太网标准修改件1:背板上2.5Gb/s和5Gb/s操作的物理层规范和管理参数