YD/T 1039.1-2005.900/1800MHz TDMA digital cellular mobile telecommunication network specification for short message service center equipment Part 1 : Point to point short message se...
YD/T 1039.1-2000. 900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Short Message Center Equipment Specification Part two:Cell Broadcast short message Service.1范围...
YD/T 1022-1999.Requirement of synchronous digital hierarchy (SDH) equipment function.1范围YD/T 1022规范了在我国公用电信网中使用STM-N(N= 1.4、16、64)的SDH设备的主...
YD/T 1023-1999.General networking requirements for the narrow-band ISDN terminal equipment.1范围YD/T 1023规定了各种ISDN终端设备(包括第一类终端和ISDN终端适配器...
YD/T 1025-1999.900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Man - Machine and SIM - ME Interface Specification of Mobile Station(Phase2+).1范围YD/T 1025规定了...
YD/T 1031-1999.Technical Specification of 800MHz CDMA Digital Cellular Mobile Telecommunication Network Mobile Application Par.1范围YD/T 1031规定了800MHzCDMA数字蜂窝移动通...
YD/T 1021-1999.VB5.2 interface technical specification.1范围1.1 概述YD/T 1021规定了接入网(AN)和业务节点(SN)之间的VB5.2参考点上接口的物理过程和协议要求...
YD/T 1016-1999.Technical condition for PDH optica: line terminals used in access network.1范围YD/T 1016规定了接人网用PDH光端机的技术要求和测试方法。YD/T 1016适...
YD/T 1017-1999.Network node interface for the Synchronous Digita! Hierarchy.1范围YD/T 1017规定了同步数字体系(SDH)网络节点接口(NNt),提供了STM-N 信号在同步数字...
YD/T 1018-1999.Digital circuit multiplication equipment using ADPCM and DSI.1范围YD/T 1018规定数字电路倍增设备(DCME)和数字电路倍增系统(DCMS)的技术要求。YD...
