IEC 60839-7-12:2001 

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

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Abstract

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 IEC 60839-5-4.

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Additional information

Publication typeInternational Standard
Publication date2001-03-09
Edition1.0
Available language(s)English, English/French
TC/SCTC 79 - Alarm and electronic security systemsrss
ICS13.320 - Alarm and warning systems
Stability date  2019
Pages13
File size933 KB

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