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:

Withdrawn

Publish date:

2001-03-08

Standard Number:

IEC 60839-7-20:2001