IEC 60839-7-20 Ed. 1.0 b:2001

Alarm systems - Part 7-20: Message formats and protocols for serial data interfaces in alarm transmission systems - Terminal interfaces employing ITU-T Recommendation V.24/V.28 signalling

International Electrotechnical Commission, 03/09/2001

Publisher: IEC

File Format: PDF

$12.00$25.00

Description

Published:09/03/2001

Pages:13

File Size:1 file , 320 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies the requirements for standard interfaces between the terminal transceiver of an alarm transmission system and the annunciation equipment. Employs signalling in accordance with ITU-T Recommendation V.24/V.28.

More IEC standard pdf

IEC 61076-2-102 Ed. 1.0 b:2002

Connectors for electronic equipment - Part 2-102: Circular connectors with assessed quality - Detail specification for plugs and jacks for external low voltage power supply

$139.00 $278.00

IEC 60598-2-20 Ed. 2.2 b:2002

Luminaires - Part 2-20: Particular requirements - Lighting chains CONSOLIDATED EDITION

$56.00 $112.00

IEC 60731 Amd.1 Ed. 2.0 en:2002

Amendment 1

$10.00 $20.00

IEC 61788-10 Ed. 2.0 b:2006

Superconductivity - Part 10: Critical temperature measurement - Critical temperature of composite superconductors by a resistance method

$47.00 $95.00