YD 5214-2015.Design Specifications For Wireless Local Area Network Engineering. 1.总则 1.0.1YD 5214适用于电信业务经营者的无线局域网建设的工程设计。 1.0.2工程设计应贯彻国家基本建设方针和技术经济政策,

YD 5208-2014.Provisional Design Specifications for Optical Transport Network(OTN) Engineering. 1总则 1.0. 1YD 5208适用于采用(TN技术新建或扩建的光传送网(OTN)工程设计。 1.0.2 工

YD 5201-2014.The Operation Specification on Work Safety During Telecommunication Construction. 1总则 1.0.1 为了牢固树立“以人为本、安全发展”的理念,贯彻“安全第一、预防为主、综合治理”的方针,进一

YD 5197.1-2014.Specification for Seismic Test of Access Equipment Part 1 Cable Access Network-central Office Equipment. 1总则 1.0.1为提高电信网络的抗震防灾能力,保障电信网络

YD/T 640-2012.General requirements and test methods for radio-frequency connectors of telecommunication equipment. 1范围 YD/T 640规定了通信设备用射频连接器的技术要求和试验方法

YD/T 627-2012.Parameters,transmission characteristics and test methods of the digital relay interface (2048kbit/s) for digital switch. 1范围 YD/T 627规定了

YD/T 841.4-2016.Plastic duct for telecommunication underground conduit Part 4: Silicore plastic duct. 1范围 YD/T 841.4规定了地下通信管道用高密度聚乙烯硅芯管(以下简称硅芯管)的产品结构、

YD/T 841.3-2016.Plastic duct for telecommunication underground conduit Part 3: Double-wall corrugated duct. 1范围 YD/T 841.3规定了地下通信管道用双壁波纹管的产品型号、分类、结构、要

YD/T 841.2-2016.Plastic duct for telecommunication underground conduit Part 2: Solid-wall duct. 1范围 YD/T 841.2规定了地下通信管道用实壁管材的产品型号、分类、结构、要求、试验方法、检验规则、标

YD/T 841.1-2016.Plastic duct for telecommunication underground conduit Part 1: general. 1范围 YD/T 841.1规定了地下通信管道用塑料管的符号、产品分类和型号、试验方法。 YD/T 841.1适用于地下通信

YD/T 839.4-2014.Filling compounds and flooding compounds for telecommunication cable and optical fibre cable Part 4: Flooding compounds. 1范围 YD/T 839.

YD/T 839.1-2015.Filling compounds and flooding compounds for telecommunication cable and optical fibre cable Part 1: Test methods. 1范围 YD/T 839.1规定了通信