IEC 60839-7-20:2001 

Alarm systems - Part 7-20: Message formats and protocols for serial data interfaces in alarm transmission systems - Terminal interfaces employing ITU-T Recommendation V.24/V.28 signalling

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Abstract

Specifies the requirements for standard interfaces between the terminal transceiver of an alarm transmission system and the annunciation equipment. Employs signalling in accordance with ITU-T Recommendation V.24/V.28.

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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 size937 KB

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