YD/T 1139-2006.The Requirement and Measurement Methods of Electromagnetic Compatibility for 900/1800MHz TDMA Digital Cellular Mobile Telecommunication

YD/T 1482-2006.Classification of electromagnetic environmental conditions for telecommunication equipments. 1范围 YD/T 1482规定了电信设备运行的大电信中心、小电信中心、室外环境和用户

YD/T 5097-2005.Specifications of Engineering Design for 3.5GHz Fixed Wireless Access System. 1总则 1.0.1 YD/T 5097适用于新建3.5GHz固定无线接入工程的安装设计,改、扩建I程亦可参照本规范

YD/T 1477-2006.The Requirements for Constructing BGP/MPLS-based Virtual Private Network. 1范围 YD/T 1477规定了基于边界网关协议/多协议标记交换( BGP/MPLS )组建虚拟专用网(VPN)的技术要求

YD/T 5080-2005.Design Specification of Network Management System of SDH Optical Fiber Cable Telecommunication Project. 1总则 1.0.1 SDH光缆通信工程网管系统设计规范(以下简

YD/T 5080-2005.Design Specification of Network Management System of SDH Optical Fiber Cable Telecommunication Project. 1总则 1.0.1 SDH光缆通信工程网管系统设计规范(以下简

YD/T 5088-2005.Specifications of Engineering Design for SDH Microwave Relay Telecommunication System. 1总则 1.0.1 YD/T 5088适用于我国新建的SDH微波接力系统工程设计。其扩建、改建工

YD/T 5092-2005.Specifications of Engineering Design for Long-Distance Optical，Fiber Cable Wavelength Division Multiplexing Transmission System. 1总则 1.

YD/T 5093-2005.Acceptance Specification of Engineering for Optical Fiber Cable Automatic Monitoring System. 1总则 1.0.1 《光缆线路自动监测系统工程验收规范》(以下简称“本规范”)是光缆

YD 5098-2005.Specifications of Engineering Design for Lightning Protection and Earthing Design for Telecommunication Bureaus(Stations). 1总则 1.0.1为防止和减