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IEC 60839-7-5 : 1.0

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IEC 60839-7-5 : 1.0

ALARM SYSTEMS - PART 7-5: MESSAGE FORMATS AND PROTOCOLS FOR SERIAL DATA INTERFACES IN ALARM TRANSMISSION SYSTEMS - ALARM SYSTEM INTERFACES EMPLOYING A TWO-WIRE CONFIGURATION IN ACCORDANCE WITH ISO/IEC 8482

International Electrotechnical Committee

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Table of Contents

FOREWORD<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 Abbreviations<br>5 Layer 7 - Application functions<br>6 Layer 4 - Transport<br>7 Layer 2 - Data link<br>8 Layer 1 - Physical<br>&nbsp;&nbsp;8.1 Transmitted octets<br>&nbsp;&nbsp;8.2 Signal levels<br>&nbsp;&nbsp;8.3 Transmission rate

Abstract

Defines the requirements for standard interfaces using a two-wire connection employing ISO/IEC 8482 signalling for use between the control and indicating equipment (CIE) of an alarm system and one or more alarm system transceivers connected to alarm transmission systems. It gives a flexible interface allowing the connection of a single master CIE to a number of devices in accordance with ISO/IEC 8482 which may be alarm system transceivers or slave CIE.

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Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 79