Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 3: Standard for Ethernet — Amendment 5: Physical layers specifications and management parameters for 10 Mb/s operation and associated power delivery over a single balanced pair of conductors
信息技术系统之间的电信和交换.局域网和城域网的要求.第3部分:以太网标准.修改件5:10 Mb/s操作的物理层规范和管理参数以及单对平衡导体上的相关功率传输