YD/T 1958-2009.Technical Requirements for PDH Virtual Concatenation and GFP Mapping.1范围YD/T 1958规定了准同步数字体系(PDH)信号虚级联接口的规范和通用成帧规...
YD/T 1959-2009.Technical Requirements for 2048kbit/s Optical Interface Between Relaying Protection Equipment and Multiplexer.1范围YD/T 1959规定了继电保护设备和复用器之...
YD/T 1972.2-2009.Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment Part 2: User data equipments.1范围YD...
YD/T 1972.1-2009.Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunicationnetwork multimedia domain equipment Part 1: Call control equipments.1范围...
YD/T 1971-2009.Technical Requirement for UAProf in Mobile Communication Network.1范围YD/T 1971规定了在无线终端和源服务器之间的用户代理特性(UAProf) 的产生、...
YD/T 1970.10-2009.Maintenance Requirements of Power Supply for Telecommunication Stations/Sites Part 10: Valve Regulated Lead Acid Battery.1范围YD/T 1970.10规定了通信局(站)用...
YD/T 1970.6-2009.Maintenance Requirements of Power Supply for Telecommunication Stations/Sites Part 6: Generator sets System.1范围YD/T 1970.6规定了通信局(站)发电机组系统...
YD/T 1973.3-2009.800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method-Part 3:Inter-working equipments.1范围YD/T 1973.3规定...
YD/T 1973.2-2009.800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method-Part 2:User data equipments.1范围YD/T 1973.2规定了...
YD/T 1973.1-2009.800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment test method-Part 1:Call control equipments.1范围YD/T 1973.1规定...
