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IEC 60839-7-20 Ed. 1.0 b PDF
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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
| Published by | Publication Date | Number of Pages |
| IEC | 03/09/2001 | 13 |
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IEC 60839-7-20 Ed. 1.0 b – Alarm systems – Part 7-20: Message formats and protocols forserial data interfaces in alarm transmission systems – Terminal interfaces employing ITU-T Recommendation V.24/V.28 signalling
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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