Specifies the requirements for standard interfaces employing ITU-T V.24/V.28 signalling for communications between the control and indicating equipment of an alarm system and transmission equipment used for remote communications, where the transmission equipment is general purpose equipment. Is intended to be used as interfacing to standard modems, packet switching networks, X.25 PADs, etc.
IEC 60839-7-6 Ed. 1.0 b:2001
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Alarm systems – Part 7-6: Message formats and protocols for serial data interfaces in alarm transmission systems – Alarm system interfaces employing ITU-T Recommendation V.24/V.28 signalling
International Electrotechnical Commission , 03/09/2001
Pages: 9
