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Norma
IEC 60839-5-4:1991

IEC 60839-5-4:1991

Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths

Systèmes d'alarme - Partie 5: Prescriptions pour les systèmes de transmission d'alarme - Section 4: Systèmes de transmission d'alarme utilisant des voies de transmission d'alarme spécialisées

Fecha:
2014-07-11 /Anulada
Resumen (inglés):
Specifies the requirements for alarm transmission systems using dedicated alarm transmission paths which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers dedicated connections providing signalling continuity between an alarm system and the presentation of alarm system information at an alarm receiving centre.
Resumen (francés):

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