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IEC 60839-5-6:1991 ed1.0
Alarm systems - Part 5: Requirements for alarm transmission systems - Section 6: Requirements for voice communicator systems using the public switched telephone network
15 стр.
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32.76 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
13.320 Alarm and warning systems / Системы аварийной сигнализации и оповещения
Описание
Specifies the requirements for voice communicator systems using the public switched telephone network which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers switched connections providing event driven signalling between an alarm system and a remote centre.