Withdrawn
Standard
Most Recent
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
Preview
Summary
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.
Technical characteristics
| Publisher | International Electrotechnical Commission (IEC) |
| Publication Date | 03/09/2001 |
| Release Date | 03/09/2001 |
| Cancellation Date | 10/14/2022 |
| Edition | 1 |
| Page Count | 13 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
No products.