Alarm systems – Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems – Serial protocol for use by digital communicator systems using ITU-T Recommandation V.23 signalling at interfaces with the PSTN

Published by	Publication Date	Number of Pages
IEC	03/09/2001	13

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Category: IEC

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IEC 60839-7-11 Ed. 1.0 b – Alarm systems – Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems – Serial protocol for use by digital communicator systems using ITU-T Recommandation V.23 signalling at interfaces with the PSTN

Specifies the requirements for standard interfaces between the Public Switched Telephone Network (PSTN) and alarm system transceivers. Specifies a 1 200 baud interface using ITU-T Recommendation V.23.