YD/T 1970.3-2010.Maintenance requirements of power supply for telecommunication stations/sites Part ...
YD/T 1970.4-2009 通信局(站)电源系统维护技术要求 第4部分:不间断电源(UPS)系统
YD/T 1970.4-2009.Maintenance Requirements of Power Supply for Telecommunication Stations/Sites Part ...
YD/T 1962-2009 具有复用去复用功能的 10Gbit/s 和 40Gbit/s 光收发合一模块软件技术要求
YD/T 1962-2009.Software Technical Requirements for 10Gbit/s and 40Gbit/s Transponder with Multiplex/...
YD/T 1961-2009 基于同步数字体系(SDH)的多业务传送节点(MSTP)技术要求——互联互通部分
YD/T 1961-2009.Technical Requirements for SDH-based Multi-service Transport Platform (MSTP)-Interope...
YD/T 1966-2009 移动通信用 50Ω 射频同轴跳线
YD/T 1966-2009.50 Radio-Frequency Coaxial Jumpers for Mobile Communication. 1范围 YD/T 1966规定了移动通信用50Ω...
YD/T 1967-2009 移动通信用 50Ω 射频同轴连接器
YD/T 1967-2009.500 Radio Frequency Coaxial Connectors for Mobile Communication. 1范围 YD/T 1967规定了移动通信...
YD/T 1968-2009 通信局(站)用智能热交换系统
YD/T 1968-2009.Intelligent Heat Exchanger for Telecommunication Stations/Sites. 1范围 YD/T 1968规定了通信局(...
YD/T 1956-2009 800MHz SCDMA 宽带无线接入系统空中接口技术要求
YD/T 1956-2009.Technical Requirements for Air Interface of 800MHz SCDMA Wideband Radio Access Networ...
YD/T 1957.1-2009 自动交换光网络(ASON)节点设备技术要求 第1部分:基于同步数字体系(SDH)的ASON节点设备技术要求
YD/T 1957.1-2009.Technical Requirements for Automatically Switched Optical Network (ASON) Node Part ...
YD/T 1958-2009 准同步数字体系(PDH)虚级联和通用成帧规程(GFP)帧映射技术要求
YD/T 1958-2009.Technical Requirements for PDH Virtual Concatenation and GFP Mapping. 1范围 YD/T 1958规定...
312