NF C90-102-2*NF EN 60728-7-2:2005 电视信号、声音信号和交互信号设备用电缆网络 第7-2部分:混合光纤同轴电缆外部设备状况监测 媒体访问控制层规范
Cable networks for television signals, sound signals and interactive services - Part 7-2 : Hybrid Fibre Coax Outside Plant Status Monitoring - Media access Control (MAC) Layer Specification