通信用240V/336V直流供电系统配电设备
Power distribution equipment for 240V/336V direct current power supply in telecommunications
2021-03-05
YD/T 2656-2013
基于240V/336V直流供电的通信设备电源输入接口技术要求与试验方法
Technical requirements and testing methods for 240V/336V direct current telecom equipment power supply unit input interface
2013-10-17
TB/T 2993.6-2016
铁路通信电源 第6部分:直流配电设备
Railway communication power supply equipment-Part 6:Direct current distribution