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Home>IEC 60839-7-20:2001

IEC 60839-7-20:2001

IEC 60839-7-20:2001

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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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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