IEC 60839-7-12 Ed. 1.0 b: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

International Electrotechnical Commission, 03/09/2001

Publisher: IEC

File Format: PDF

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Description

Published:09/03/2001

Pages:13

File Size:1 file , 320 KB

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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.

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