q-gdw_376.2_2009集中器下行本地接口协议

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1、ICS：F备案号：Q/GDW国家电网公司企业标准Q/GDWXXX-200X电力用户用电信息采集系统通信协议－集中器与下行通信模块本地接口poweruserelecroenergydataacquiresystemcommunicationprotocol–localinterfaceofconcentratordownwardanddowncommunicationmodule（2009年3月）200X-XX-XX发布200X-XX-XX实施中华人民共和国国家电网公司发布Q/GDWXXX-200X目次前言................

2、..................................................................................................................................II1范围........................................................................................................................................

3、......32规范性引用文件............................................................................................................................33术语、定义和缩略语.....................................................................................................................33.1

4、术语和定义..........................................................................................................................33.2符号和缩略语......................................................................................................................44帧结构...........

5、................................................................................................................................44.1参考模型.............................................................................................................................44.2字节格式..

6、...........................................................................................................................44.3帧格式.................................................................................................................................54.4链路传输....

7、.........................................................................................................................64.5物理接口.............................................................................................................................75集中式路由载波通信的用户数据结

8、构............................................................................................75.1用户数据区格