Access, Terminals, Transmission and Multiplexing (ATTM) - Energy management - Operational infrastructures - Global KPIs - Part 3: ICT Sites - Sub-part 1: DCEM (Endorsement of the English version EN 305 200-3-1 V1.1.1 (2018-02) as a German standard)
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3部分:ICT站点-第1子部分:DCEM(认可英文版EN 305 200-3-1 V1.1.1(2018-02)作为德国标准)