YD/T 2301.2-2011.Information and communication convergence services specification in SMEs part 2: technical requirement.1范围YD/T 2301.2规定了电信运营商面向中小企业的...
YD/T 2301.1-2011.Information and communications convergence services specification in SMEs- Part 1: Service requirements.1范围YD/T 2301的本部分给出了国内中小企业信息化...
YD/T 5092-2010.Design Specification for Wave length Division Multiplexing (WDM) Optical Fiber Transmission Engnieering.1总则1.0.1《波分复用(WDM)光纤传输系统工程设计规...
YD/T 5116-2005.Specifications of Engineering Design for Mobile Short Message Center.1总则1.0.1YD/T 5116规范适用于数字移动通信网短消息中心的工程设计,其他电信...
YD/T 5183-2010.Specification Architeeture for Construction of T elecommunications Engineering.1总则1.0.1YD/T 5183体系是根据《中华人民共和国标准化法》GB/T 13016- ...
YD/T 5185-2010.Provisional Design Specifications for IP multimedia subsystem( IMS) Engineering.总则1.0.1YD/T 5185规定适用于同一电信业务经营者的IMS网络新建设备安...
YD/T 5186-2010.Design Specification of Outdoor Cabinets Installation for Telecommunication System.1总则1.0.1《通信系统用室外机柜安装设计规定》(以下称“本规定...
YD/T 2319-2011.Technical requirements and test methods for network cabinet of data equipments.1范围YD/T 2319规定了通信数据机房(含数据中心、电信业务平台、IT 支...
YD/T 2321-2011.Technical requirements and testing methods for converting mode solar power controller for telecommunications.1范围YD/T 2321规定了通信用变换稳压型太阳能电...
YD/T 2322-2011.AC Power distributing cabinet for data equipment.1范围YD/T 2322规定了数据设备用交流电源分配列柜的系统结构、电源配置、监控测量、防雷与...
