YD/T 1835-2008.Test Methods for Dispatch Service Subsystem(DSS)Interface for the CDMA-based Digital Trunking Mobile Communication System.1范围YD/T 1835规定了基于CDMA技术的数...
YD/T 1833-2008.Equipment Test Specification of Dispatch Service Subsystem for the CDMA-based Digital Trunking Mobile Communication System.1范围YD/T 1833规定了基于CDMA技术的数...
YD/T 1817-2008.DC Remote Feeding Power System for Telecommunication Equipment.1范围YD/T 1817规定了通信设备用直流远供电源系统(以下简称远供系统)的定义、分...
YD/T 1816-2008.The Limit Requirement and Test Method of the Acoustic Noise Emitted by the Telecommunication Equipment.1范围YD/T 1816主要规定电信设备的噪声发射限值和测...
YD/T 1802-2008.Technical Requirements for Presence Service Basing on IMS(Phase I).1范围YD/T 1802规定了基于IMS的呈现业务的基本概念、体系结构、上下文模型、参...
YD/T 1801-2008.Security Technical Requirements of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase II).1范围YD/T 1801规定了2G...
YD/T 1800-2008.Framework of Information Security Operation Center.1范围YD/T 1800规定了信息安全运行管理系统的总体架构。YD/T 1800适用于通信运营企业对信息...
YD/T 5156-2007.Accepting Specification for Fixed Network Intelligence System Installation Engineering.1总则1.0.1YD/T 5156是固定电话网智能化设备安装工程中进行施工...
YD/T 1820-2008.Telecommunication Cables - Central Office Symmetrical Cables.1范围YD/T 1820规定了通信电缆一局用对称电缆的产 品分类、要求、试验方法、检验...
YD/T 2691-2014.Test methods for connection speed in broadband network - User experience of internet surfing.1范围YD/T 2691规定了互联网业务用户使用上网浏览、网络视...
