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prEN 60839-7-12

Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling

General information

50.98 Project deleted   Jul 4, 2001

CENELEC

CLC/TC 79 Alarm systems

European Norm

13.220   Protection against fire

Scope

Specifies the requirements for standard interfaces between the alarm system transceivers and transmission network where both form part of a dedicated channel alarm transmission system as defined in EN 60839-5-4.

Life cycle

NOW

ABANDON
prEN 60839-7-12
50.98 Project deleted
Jul 4, 2001