IEC 60839-7-12:2001 ed1.0

Отменен

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 — 13 стр.

Описание Изменения Ссылки Версии

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.

ICS

13.320 Alarm and warning systems / Системы аварийной сигнализации и оповещения