YD/T 1058-2000 in English

本标准规定了通信用高频开关组合电源（以下简称电源）的组成、分类、要求、试验方法、检验规则和标志、包装、运输和储存。本标准适用于直流输出电压为48V（24V），直流输出电流不大于1000A的通信用高频开关组合电源，可作茧自缚电源产品设计、制造、使用及质量检验的依据。

Scope

This standard specifies the composition, classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of high-frequency switching combination power supplies for communications. This standard applies to high-frequency switching combination power supplies for communications with a DC output voltage of 48V (24V) and a DC output current not greater than 1000A. It can be used as the basis for the design, manufacturing, use and quality inspection of power supply products.