YD通讯标准

YD/T 1024-1999.The Protective Component for Fixed Optical Fiber Splice.1范围YD/T 1024规定了光纤固定接头保护组件的产品型号、结构、要求、试验方法、检验...

YD/T 1015-1999.Technical requirement for Q interface adapter used in transmission equipment.1范围YD/T 1015规定用于传输设备的Q接口适配器技术要求。包括功能定义...

YD/T 5118-2005.Specifications of Engineering Design for ATM Network.1总则1.0.1为了使ATM工程设计及与ATM相关的宽带网络工程设计有所依据,特制定本规范。1...

YD/T 5122-2005.Specifications of Engineering Acceptance for Long-Haul Optical Wavelength Division Multiplexing System.1总则1.0.1YD/T 5122是长途光缆波分复用传输系统工程...

YD/T 5119-2005.Design Specifications of MSTP Based on SDH Engineering for Local Optical Fiber Cable Transmission Project.1总则1.0.1YD/T 5119适用基于SDH的MSTP技术的传输网络...

YD/T 1058-2000.High Frequency Switching Power Supply System for Telecommunications.1范围YD/T 1058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...

YD/T 1037-2000.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of CAMEL Application Part(CAP).1范围YD/T 1037规定了gsmSSF、 gsmSCP 和...

YD/T 5136-2005.Interim Provisions of Acceptance for IP Videoconference System Engineering.1总则1.0.1YD/T 5136是IP视讯会议系统设备安装工程随工检验、初步验收和竣...

YD/T 757-1995.1范围YD/T 757规定了微波铁塔及各类通信铁塔(角钢塔)的技术条件。YD/T 757适用于自立式角钢微波铁塔及各类通信铁塔的设计和制造...

YD/T 841-1996.1范围YD/T 841规定了地下通信管道用硬质聚氯乙烯及高、低密度聚乙烯塑料管材(以下简称管材)的产品分类及型号、形状和结构尺寸...