ETSI EN 300 132-2-2011 环境工程(EE).电信和数据通讯(ICT)设备输入处的电源接口.第2部分:运行于-48 V直流电(dc)(版本2.4.6)
Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc) (V2.4.6)