IEC 60839-7-12:2001

Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling

Specifies the requirements for standard interfaces between the alarm system transceivers and transmission network where both form part of a dedicated channel alarm transmission system as defined in IEC 60839-5-4.

OEN:

IEC

Langue:

English

Code(s) de l'ICS:

13.320

Statut:

Annulée

Date de Publication:

2001-03-08

Numéro Standard:

IEC 60839-7-12:2001