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IEC 60839-7-20 Ed. 1.0 b:2001

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IEC 60839-7-20 Ed. 1.0 b: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

standard by International Electrotechnical Commission, 03/09/2001

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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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Edition: 1.0 Published: 03/09/2001 Number of Pages: 13 File Size: 1 file , 320 KB