NFPA 731 电子保密安全系统的安装标准
日期:2012-02-09 10:25
rements for all facets of security equipment installation, with provisions for the application, location, performance, testing, and maintenance of physical security systems and their components. This updated document covers every aspect from signal initiation, transmission, notification, and annunciation to levels of performance and reliability. The Standard's requirements address the protected premises from the property line to the interior of the premises. NFPA 731 also references or incorpora
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09/11 11:25