YD 5084-1999.Interim Provisions for Test of Anti-seismic Performances o{ Digital Program Control Switching Equipment.1总则1.0.1YD 5084规定了数字程控电话交换设备抗地震...
YD 5091-2000.Interim Provisions for Test ot Anti-seismic Performances of SDH Optical Telecommunications Equipment.1总则1.0.1YD 5091规定了SDH光通信设备抗地震性能试验的...
YD 5075-1998.Digital Cross-connect Equipment Engineering Desdgning Standard for Local Telepbone Network.1总则1.0.1本地电话网DXC工程设计暂行规定(以下简称“本规定...
YD 5076-1998 .Planning Specifcations for SPC Exchange Installation Engineering.1总则1.0.1 为了加强对程控电话交换设备安装工程的技术管理，使安装工程设计工...
YD 5077-1998.Accepting Specifications for SPC Exchange Installation Engineering.1总则1.0.1为了适应电话通信建设发展的需要，加强工程的技术管理，认真做好验...
YD 5078-1998.Specifcations on Lightning Protection for Power Supply System in Engineering of Telecommunications.1总则1.0.1 为确保通信局(站)站内通信设备和工作人员的...
YD 5079-1999.Acceptance Specification of Equipment Installation Engineering for Telecommunications Power Supply.1总则1.0.1YD 5079是通信电源设备安装工程施工质量检查、...
YD 5069-1998.The Engineertng Design Specfcation of Mobile Data Network.2术语和符号Mobile Data Network ( MDN) 移动数据网Mobile Data Swi...
YD 5070-1998.Code for Acceptance of CHINANET Engineering.1总则1.0.1YD 5070是公用计算机互联网工程施工质量检验、随工检验和竣工验收等工作的依据，适用...
YD 5072-2005.Supervision Speeification of Telecommunications Conduit and Cable Channel Enginecring.1总则1.0.1 为规范通信管道和电缆通道工程施工监理工作的内容、...
