International Electrotechnical Commission

Publication detail

Reference	IEC 60839-7-20 ed1.0 withdrawn corrigendum	> preview
Title	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
Publication date	2001-03-09
Format, price (Swiss francs) and language	25.- 13 pages 25.- 937 Kb
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.
Technical Committee	79 - Alarm and electronic security systems
ICS Codes	13.320 Alarm and warning systems *Burglar alarm and warning systems, see 13.310 *Warning devices for road vehicles, see 43.040.20
Replaced by
Stability date	2013
Work in progress	Project Stage code Forecast publication date No project under development - -

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