Access, Terminals, Transmission and Multiplexing (ATTM); Energy management; Operational infrastructures; Global KPIs; Part 2: Specific requirements; Sub-part 2: Fixed broadband access networks
接入、终端、传输和多路复用(ATTM);能源管理;运营基础设施;全球KPI;第二部分:具体要求;第2子部分:固定宽带接入网络