ICS 33.180.01 CSS M 33 YD 中华人民共和国 通信行业标准 YD/T XXXX.2—202X 25Gb/s波分复用 （WDM）光收发合一模块 第2部分：LWDM 25Gb/s Wavelength Division Multiplexing (WDM) optical transceiver — Part2:LWDM （报批稿） 中华人民共和国工业和信息化部   发 布 202X - XX - XX发布 202X - XX - XX实施 YD/T XXXX.2-202X I 目  次 前言 ...................................................................................................................................................................... III 引言 ..................................................................................................................................................................... IV 1 范围 .................................................................................................................................................................... 1 2 规范性引用文件 ................................................................................................................................................ 1 3 术语和定义 ........................................................................................................................................................ 2 4 缩略语 ................................................................................................................................................................ 6 5 分类 .................................................................................................................................................................... 7 5.1 按光接口分类 ............................................................................................................................................. 7 5.2 按传输距离分类 ......................................................................................................................................... 7 5.3 按OAM功能分类 ...................................................................................................................................... 7 6 技术要求 ............................................................................................................................................................ 8 6.1 眼图模板 ..................................................................................................................................................... 8 6.2 极限条件 ...................................................................................................................................................... 8 6.3 推荐工作条件 ............................................................................................................................................. 9 6.4 光电特性要求 ............................................................................................................................................. 9 6.5 数字诊断监控功能要求 ........................................................................................................................... 11 6.6 OAM功能 ................................................................................................................................................. 11 6.7 外形尺寸 ................................................................................................................................................... 12 6.8 外观要求 ................................................................................................................................................... 12 6.9 环保符合性 ............................................................................................................................................... 12 7 参数测试 .......................................................................................................................................................... 12 7.1 测试环境要求 ........................................................................................................................................... 12 7.2 测试仪表要求 .........................................................................................................................