YD/T 1712-2007.Environmental Requirements for Telecommunication Houses. 1范围 YD/T 1712规定了中小型电信机房的温湿度、...
YD/T 1711-2007 2GHz TD-SCDMA 数字蜂窝移动通信网直放站技术要求和测试方法
YD/T 1711-2007.Technical Specifications and Testing Methods for Repeater of 2GHz TD-SCDMA Digital Ce...
YD/T 5015-2007 电信工程制图与图形符号规定
YD/T 5015-2007.Specifications of Engineering Drawing and Graphical Symbols for Communication Project...
YD/T 1723-2007 2GHz TD-SCDMA 数字蜂窝移动通信网高速下行分组接入(HSDPA) Uu 接口 RRC 层技术要求
YD/T 1723-2007.Technical Requirement for 2GHz TD-SCDMA Digital Cellular Mobile Communication Network...
YD/T 1718-2007 点对点网间多媒体消息业务和协议的测试方法
YD/T 1718-2007.Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service...
YD/T 1717-2007 点对点多媒体消息业务网间互通设备测试方法
YD/T 1717-2007.Testing Methods for Interworking Gateway in Peer to Peer Multimedia Messaging Service...
YD/T 1716-2007 点对点多媒体消息业务网间互通设备技术要求
YD/T 1716-2007.Technical Requirements for Interworking Gateway in Peer to Peer Multimedia Messaging ...
YD/T 5155-2007 固定电话网智能化工程设计规范
YD/T 5155-2007.Specifications of Engineering Design for Fixed Network Intelligence. 1.总则 1.0.1YD/T 5...
YD/T 5154-2007 固定软交换设备安装工程验收暂行规定
YD/T 5154-2007.Acceptance Specification for Fixed Softswitch Engineering. 1总则 1.0.1YD/T 5154是软交换T程质量...
YD/T 5150-2007 基于 SDH 的多业务传输节点(MSTP)本地光缆传输工程验收规范
YD/T 5150-2007.Acceptance Specification of MSTP Based on SDH Engineering for Local Optical Fiber Cab...
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