YD/T 2554.3-2016.Plastic optical fiber connector Part 3:Type FC. 1范围 YD/T 2554.3规定了FC型塑料光纤活动连接器的术语和定义、技术要求、测量和试验方法、质量评定程序、检验及标志、包装、运输和储存要求。 YD/T 2554.

YD/T 2554.2-2015.Plastic optical fiber connector Part2: Type SC. 1范围 YD/T 2554.2规定了SC型塑料光纤活动连接器的术语和定义、技术要求、测量和试验方法、质量评定程序、检验规则及标志、包装、运输和储存要求。 YD/T 255

YD/T 2554.1-2013.Plastic optical fiber connector Part 1: Type LC. 1范围 YD/T 2554.1规定了LC型塑料光纤活动连接器的术语和定义、技术要求、测量和试验方法、质量评定程序、检验规则及标志、包装、运输和贮存要求。 YD/T 25

YD/T 2507.9-2015.2GHz TD SCDMA digital cellular mobile telecommunication network-HSPA+ - lub interface technical requirement-Part 9: Specific O&M

YD/T 2405-2015.Interface standard of information security management system forInternet data center/Internet service provider. 1范围 YD/T 2405规定了互联网数据中心

YD/T 2378-2011.240V direct current power supply system for te | ecommunications. 1范围 YD/T 2378规定了通信用240V直流供电系统(以下简称系统)的组成、系列、技术要求、试验方法、检验规则、标志、包装、运输和储

YD/T 2344.2-2015.LiFePO4 battery system for telecommunications Part2: Discrete battery system. 1范围 YD/T 2344.2规定了通信用分立式磷酸铁锂电池组(以下简称电池组)的定义、要求、检验方法、检验规

YD/T 2336.6-2016.Technical requirement for packet transport network (PTN) management Part 6: EMS-NMS interface information model based on XML. 1范围 YD/

YD/T 2336.2-2016.Technical requirements for packet transport network management Part 2: NMS system function. 1范围 YD/T 2336.2规定了分组传送网(PTN) NMS系统功能要求，主要

YD/T 2248-2015.Interface requirements of information security management system for Internet data center/Internet service provider. 1范围 YD/T 2248规定了互联

YD/T 2191.10-2016.Installation and mitigation guidelines of electromagnetic compatibility for telecommunication equipments Part 10: Mitigation for HEM

YD/T 2053-2016.Security protection testing requirements for the domain name system. 1范围 YD/T 2053规定了公众电信网和互联网相关域名系统分安全保护等级的安全防护检测要求，涉及到业务及应用安全、网络安全、设备