GA/T 508-2004道路交通信号倒计时显示器.pdf

ICS93.080.30 R 87 61:1 中华人 民共和国公共安全行业标准 GA/T508-2004 道路交通信号倒计时显示器 Roadtrafficcountingdowndisplayunit 2004-08-09发布 2004-10-01实施 中华人民共和国公安部 发 布 GA/T 508-2004 目 次 前言 ，，，··························，·························································，·······················，·一 工 1 范围 ················································································· ···························…… 1 2 规范性引用文件 ·····························································································…… 1 3 术语和定义 ······································································································……1 4 分类与命名 ········。·····，···························，···，················································。···，，··…2 5 要求 ·，·························，···························，·······，·················，，，，·························一 3 6 检验方法 ················，，······································，····················，，··，··，··················，……7 7 检验规则································，················，························……11 S 基本安装要求·················，·，···········································……，·············...·······……12 9 标志················································································ 12 10包装、运输和贮存·，··································，·························，，······················……，.，.12 附录A(规范性附录) 通讯式倒计时器通讯协议 ·，，······················································，，，，14 标准分享网 免费下载 GA/T508-2004 目明 舀 本标准的附录A为规范性附录。 本标准由公安部道路交通管理标准化技术委员会提出并归口。 本标准由南京市公安局科技处、南京市公安局交巡警支队、南京多伦