YD/T 1970.3-2010.Maintenance requirements of power supply for telecommunication stations/sites Part 3: DC power system.1范围YD/T 1970.3规定了通信局(站)直流系统(以下简称...
YD/T 1970.4-2009.Maintenance Requirements of Power Supply for Telecommunication Stations/Sites Part 4: Uninterruptible Power Systems.1范围YD/T 1970.4规定了不间断电源_UPS系统...
YD/T 1961-2009.Technical Requirements for SDH-based Multi-service Transport Platform (MSTP)-Interoperability.1范围YD/T 1961规定了基于SDH的多业务传送节点(MSTP)设备的互...
YD/T 1962-2009.Software Technical Requirements for 10Gbit/s and 40Gbit/s Transponder with Multiplex/Demultiplex.1范围YD/T 1962规定了具有复用去复用功能的10Gbits和40Gb...
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射频同轴跳线的产品分类、要求、试验方法、检验...
YD/T 1967-2009.500 Radio Frequency Coaxial Connectors for Mobile Communication.1范围YD/T 1967规定了移动通信用50S2射频同轴连接器的产品分类、要求、试验方法...
YD/T 1968-2009.Intelligent Heat Exchanger for Telecommunication Stations/Sites.1范围YD/T 1968规定了通信局(站)用智能热交换系统的产品分类、技术要求、试验方...
YD/T 1960-2009.Technical Requirements for Ultra Long Haul NX 10Gbit/s Wavelength Division Multiplexing(WDM) Systems.1范围YD/T 1960规定了Nx10Gbit/s的单纤单向超长距离波分...
YD/T 1956-2009.Technical Requirements for Air Interface of 800MHz SCDMA Wideband Radio Access Network System.1范围YD/T 1956规定了800MHz SCDMA宽带无线接入系统的空中接口...
YD/T 1957.1-2009.Technical Requirements for Automatically Switched Optical Network (ASON) Node Part 1: Technical Requirements for SDH-based ASON Node.1范围YD/T 1957.1规定了基于...
