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IEC 60839-5-1:1991 ed1.0

Заменен
Alarm systems - Part 5: Requirements for alarm transmission systems - Section 1: General requirements for systems — 31 стр.
Specifies the general requirements for the performance, reliability and security characteristics of alarm transmission systems. Covers the general requirements for connections providing signalling between an alarm system and an alarm receiving centre.
ICS
13.320 Alarm and warning systems / Системы аварийной сигнализации и оповещения