IEC 60839-7-20
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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| Organization: | IEC |
| Publication Date: | 1 March 2001 |
| Status: | active |
| Page Count: | 22 |
| ICS Code (Protection against fire): | 13.220 |
| ICS Code (Alarm and warning systems): | 13.320 |
Document History
IEC 60839-7-20
March 1, 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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