ETSI ETS 300 132-1-1996 设备工程(EE);电信设备输入端的电源接口;第1部分:由源自直流(dc)电源的交流电(ac)操作
Equipment Engineering (EE); Power Supply Interface at the Input to Telecommunications Equipment; Part 1: Operated by Alternating Current (ac) Derived from Direct Current (dc) Sources