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BS EN 50136-1-4:1998 – Alarm systems. Alarm transmission systems and equipment. Requirements for systems with voice communicators using the public switched telephone network

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 8 pages, A4

Manufacturer – BSI

Price – GBP 40

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Keywords – Burglar alarms, Fire alarms, Alarm systems, Security systems in buildings, Wire transmission (telecommunication), Communication networks, Communication equipment, Telecommunication systems, Information exchange, Data transmission, Classification systems, Verification, Performance testing, Speech transmission systems, Telephone networks