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.
SDO:
IEC
Language:
English
ICS Codes:
13.320
Status:
Published
Publish date:
2001-03-08
Standard Number:
IEC 60839-7-20:2001