YD/T 1117-2001.Specification of all Optical Fiber Branching Devices. 1范围 YD/T 1117规定了全光纤型分支器件的“光纤宽带耦合器”、“ 光纤波分复用耦合器”系列产品的技术要求、试验方法、质量评定程序以及标志、包装、贮存等条件

YD/T 1115.2-2001.Waterblocking materials for telecommunication cable and optical fiber cable Pore 2: Waterblocking Yarn. 1范围 YD/T 1115.2规定了通信电缆光缆用阻水纱的

YD/T 1115.1-2001.Waterblocking materials for telecommunication cable and optical fiber cable Porel : W aterblocking Tape. 1范围 YD/T 1115.1规定了通信电缆光缆用阻水带

YD/T 1104-2001.Technical Requirements & Testing Methods for Supervision Module of Telecommunication Switch Power Supplies. 1范围 YD/T 1104规定了通信用开关电源

YD/T 1112-2001.Performance Specification of Optical Fiber Amplifiers for Multichannel Applications. 1范围 YD/T 1112规定了光纤放大器(OFA)的分类;规定了多波道用OFA的性能参数的定义和试

YD/T 1111.2-2001.Technical Requirements of SDH Optical Transmitter/Optical Receiver Modules - 2.488320 Gb/s Optical Transmitter Modules. 1范围 YD/T 1111

YD/T 1111.1-2001.Technical Requirements of SDH Optical Transmitter/Optical Receiver Modules- 2.488320 Gb/s Optical Receiver Modules. 1范围 YD/T 1111.1规定

YD/T 1110-2001.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Specification for General Packet Radio Service Base Station Sub-syst

YD/T 1108-2001.Technical Requirements for Dual - mode(GPS/GLONASS)Receiver of Wireless Synchronization and the Interface between Dual - mode Receiver

YD/T 1107-2001.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network GPRS Radio Interface Specification - MAC/RLC. 1范围 YD/T 1107规定了900/1

YD/T 1106-2001.900/1800MHz TDMA Digital Cellular Mobile Communication Netowork Technical Specification for GPRS(General Packet Radio Service) Base Sta

YD/T 1105-2001.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Tech-nical Specification for General Packet Radio Service Switching