ydt 894.1-2010 光衰减器技术条件 第1部分：光纤固定衰减器

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1、!CS33.180.20M33!ll中华人民共和国通信行业标准丫D厅894.1一2010代替YD汀894一1997光衰减器技术条件第1部分：光纤固定衰减器Technicalspecification仿ropticalfiberattenuatorPartl:FixedoPtical行berattenuator2010一12一9发布2011一1一01实施中华人民共和国工」E和信息化部发布丫D厅8941.2010.目次前言·································································

2、····················································⋯⋯nl范围·····················································································································⋯⋯12规范性引用文件··························································································

3、············⋯⋯13术语和定义············································································································⋯⋯14分类及结构············································································································⋯⋯25技术要求······················

4、·························································································⋯⋯46测试方法···············································································································⋯⋯············7可靠性试验························，·······················

5、················································⋯⋯68环境保护············································································································⋯⋯89检验··········································································································

6、········⋯⋯8·······················································································⋯⋯10包装、标志、运输和贮存9附录A（资料性附录）适配器型光纤固定衰减器外形结构图················································⋯⋯10·········附录B（资料性附录）阴阳式光纤固定衰减器外形结构图·······································⋯⋯13丫O厅894.

7、les2010月lJ舀《光衰减器技术条件》包括如下部分：ꡄ第1部分：光纤固定衰减器；ꡄ第2部分：光可变衰减器；本部分为《光衰减器技术条件》的第1部分。本部分代替YDT/894一1997《光纤固定衰减器技术条件》。本次修订参考了IEC60869一1一1999《纤维光学衰减器第1部分总规范》。本部分与YD厅894一1997相比，主要变化如下：ꡄ按照GB厅1.1一000《标准化工作导则第1部分：标准的结构和编写规则》规定格式进行编写，把第2章的标题“引用标准”改为“规范性引用文件”，并采用GB汀1.1一000中规定的引导词，把引用的标准中采用最新版本；

8、ꡄ删除第3章“光纤固定衰减器的基本描述”，增加第3章“术语和定义”;ꡄ增加第4章“分类及结构’、ꡄ将4.1“光学特性”调整至5.1及表1