YD/T 3139-2016.Technical specification of internet service quality monitoring system. 1范围 YD/T 3139规定了互联网业务质量监测系统技术要求，该技术要求依据运营商网络的具体部署场景和需求制定。 YD/T 3

YD/T 3137-2016.Assesment of the compliance of low-power electronic and electrical equipment with the basic restrictions related to human exposure to e

YD/T 3136-2016.Technical requirement of radio access network self-organizing networks (SON) management. 1范围 YD/T 3136规定了无线接入网自组织网络(SON)的管理架构，自配置、自优化、自

YD/T 3136-2016.Technical requirement of radio access network self-organizing networks (SON) management. 1范围 YD/T 3136规定了无线接入网自组织网络(SON)的管理架构，自配置、自优化、自

YD/T 3135-2016.Test method for core network equipments to support SRVCC from LTE to TD-SCDMAWCDMA/GSM. 1范围 YD/T 3135规定了支持LTE到TD-SCDMA/WCDMAGSM的语音呼叫连续性

YD/T 3127-2016.Hybrid optical fiber amplifier. 1范围 YD/T 3127规定了后向泵浦分布式拉曼放大器与掺铒光纤放大器(EDFA)组成的混合光纤放大器(以下简称HYFA)的缩略语、术语和定义、技术要求、测试方法、环境和机械性能试验、检验、标志、包装、运

YD/T 3126.2-2016.lintegrable tunable laser assembly Part 2: Software procotol. 1范围 YD/T 3126.2规定了集成可调谐光源模块的软件协议要求，包括集成可调谐光源模块与主机的通信流程、物理层、传输层、应用层等要求。

YD/T 3126.1-2016.Integrable tunable laser assembly (ITLA) Part 1: Interface. 1范围 YD/T 3126.1规定了集成可调谐光源模块的术语和定义、缩略语、光电接口的技术要求、测试方法、可靠性试验、产品检验规则、包装、标识、运

YD/T 3134-2016.Test method for core network equipments to support CSFB from LTE to TD-SCDMA/WCDMA/GSM. 1范围 YD/T 3134规定了支持LTE到TD-SCDMA/WCDMA/GSM的电路域业务回

YD/T 3133-2016.Protection closure for drop cable splice. 1范围 YD/T 3133规定了引入光缆用接续保护盒(以下简称接续保护盒)的分类和命名、要求、试验方法、检验规则、标志、包装、运输和储存。 YD/T 3133适用于光纤到户(FTTH)

YD/T 3132.1-2016.Components and materials for fiber-to-the-home drop cable installation-Part 1: General. 1范围 YD/T 3132.1规定了光纤入户放装器材的定义、分类、命名规则和通用要求、试验

YD/T 3131-2016.SFP/SFP+ optical transceiver module between BBU and RRU for base station interconnecting. 1范围 YD/T 3131规定了基带处理单元(BBU)和射频拉远单元(RRU)互连的通用公