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IEC 60839-7-11 : 1.0

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IEC 60839-7-11 : 1.0

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 RECOMMENDATION V.23 SIGNALLING AT INTERFACES WITH THE PSTN

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 Notification of transmission errors<br>8 Monitoring of the interface to the PSTN<br>9 Layer 3 - Network<br>10 Layer 2 - Data link<br>11 Layer 1 - Physical<br>&nbsp;&nbsp;&nbsp;11.1 Transmitted octets<br>&nbsp;&nbsp;&nbsp;11.2 Signal levels

Abstract

Gives requirements for standard interfaces between the Public Switched Telephone Network (PSTN) and alarm system transceivers. It provides a 1200 Bd interface using ITU-T Recommendation V.23. This standard applies equally to the interface between an alarm system and the PSTN where the alarm system transceiver functions are integrated into the control and indicating equipment (CIE).

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