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
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.
OEN:
IEC
Langue:
English
Code(s) de l'ICS:
13.320
Statut:
Publié
Date de Publication:
2001-03-08
Numéro Standard:
IEC 60839-7-20:2001