YD/T 992-1998.Technical requirments and test methods of telephone additional functions.1范围YD/T 992规定了电话机附加功能的标注名称、技术要求及检验方法。Y...
YD/T 990-1998.Technical condition for specific optical transmissio equiprnent between exchanger and remote module.1范围YD/T 990规定了交换机与远端模块间专用光传输设...
YD/T 1881-2009.The Technical Requirement of Protocal between Different Operator's Softswitch Network.1范围YD/T 1881规定了不同运营商软交换网络之间互通的协议的技...
YD/T 1001-1999.Characteristics of a non- zero dispersion shifted single-mode optical fibre.1范围YD/T 1001规定了非零色散位移单模光纤(简称NZDSF)的几何、光学、传...
YD/T 1000-1999.Performance for data networks providing international frame relay SVC service.1范围YD/T 1000规定了当提供帧中继交换业务时,用来描述帧中继交换虚连...
YD/T 999-1999.Multicast adaptation protocot.1范園YD/T 999规定在T.120会议上使用组播服务的协议。本协议与使用的网络类型无关。本协议也适用于不可靠...
YD/T 998.2-1999.Lithium-ion battery and charger for cellular phones-charger.1范围YD/T 998.2规定了移动通信手持机用锂离子电源充电器的技术要求、试验方法、...
YD/T 956-1998.Congratulatory card envelope.1范围YD/T 956规定了贺卡信封的定义,品种规格,技术要求,试验方法,检验规则以及包装、标志、贮存。YD/T 956适...
YD/T 964-1998.Requirements test method of 1310nm/1550m wavelength division multiplexer.1范围YD/T 964规定了1310nm/1550nm波分复用器(以下简称波分复用器或用“WDM”表...
YD/T 968-2002.Requirements and methods of measurement of electromagnetic compatibility for telecommunication terminal equipment.1范围YD/T 968规定了发送和接收语音、数据、...
