GB/T 19516-2004
AbolishedThe specifications of wired-emergency telephone system of expressway
高速公路有线紧急电话系统技术要求
Application Summary AI generated
This standard specifies the technical requirements for wired emergency telephone systems installed along expressways, covering system composition, performance, and communication protocols. It is applied in the design, construction, and acceptance testing of emergency call boxes and control center equipment on Chinese expressways to ensure reliable voice communication for motorists in distress.
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