YD通讯标准

YD 5024-1996.SDH Optical Fiber Cable Trunk Transmission Project Designing Standard for Local Telephone Network.1总则1.0.1YD 5024适用于新建或扩建本地电话网局间同步数...

YD 5015-1995.Engineering Drawing and Graphical Symbols for Communication Projects Diagrams.1.总则1.0.1为了使电信工程的图纸做到规格统- -、画法- 致、图面清晰，...

YD/T 1435-2006.Testing Methods for Softswitch Equipments.1范围YD/T 1435规定了软交换设备的通信接口、功能、协议、性能、操作维护及网络管理、可靠性、...

YD/T 1432-2006.General Technical Requirements for Integrated Access Device Management System Based on Softswith.1范围YD/T 1432规定了基于软交换的综合接人设备管理系统...

YD/T 1431-2006.Technical requirement and testing methods for the charging performance of exchange - mobile intelligent network part.1范围YD/T 1431规定了移动交换机、移动通...

YD/T 1436-2006.Outdoor Power System for Telecommunications.1范围YD/T 1436规定了室外型通信电源系统(以下简称系统)的定义、分类、技术要求、结构要求、环...

YD/T 1434-2006.General Technical Requirements for Softswitch Equipments.1范围YD/T 1434规定了软交换在网络中的位置、网络框架结构、功能、通信接口、协议及...

YD/T 1443-2006.Technical Requirements of Generic Framing Procedure(GFP).1范围YD/T 1443规定了通用成帧规程( GFP )的帧格式、客户帧到GFP的映射过程，GFP的互通、...

YD/T 1442-2006.The Technical Requirement for IPv6 - Address,Transition and Quality of Service.1范围YD/T 1442规定了IPv6协议的地址结构、IPv4向IPv6过渡 和IPv6网络QoS机...

YD/T 1441-2006.Technical requirements of IPv4 moiity.1范围YD/T 1441规定了移动IPv4 (为防止歧义，下文中移动IP特指移动IPv4 )总技术要求，包括代理请求/发...