Standard No.:	GB/T 19516-2017
English Name:	Wired-emergency telephone system of expressway
Chinese Name:	高速公路有线紧急电话系统
Chinese Classification:	M40    Telephone communication equipment
Professional Classification:	GB    National Standard
Issued by:	AQSIQ AND SAC
Issued on:	2017-10-14
Implemented on:	2018-5-1
Status:	valid
Superseding:	GB/T 19516-2004 The specifications of wired-emergency telephone system of expressway
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	250.0
Delivery:	via email in 1~3 business day

本标准规定了高速公路有线紧急电话系统（以下简称紧急电话系统）的结构与分类、技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于高速公路使用的光纤型、电缆型紧急电话系统，其他应用场合可参照使用。