IEC - International Electrotechnical Commission - 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
withdrawn
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| Organization: | IEC - International Electrotechnical Commission |
| Publication Date: | 9 March 2001 |
| Status: | withdrawn |
| Page Count: | 6 |
| ICS Code (Alarm and warning systems): | 13.320 |
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... View More
Document History
IEC 60839-7-20:2001
March 9, 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
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...