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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Draft standard

OEVE/OENORM EN 60839-7-11
Alarm systems - Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use in digital communication systems using CCITT V23 signalling at interfaces with the PSTN (IEC 79/182/CDV)

Edition 1999-10-01

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

OEVE/OENORM EN 60839-7-11 Alarm systems - Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use in digital communication systems using CCITT V23 signalling at interfaces with the PSTN (IEC 79/182/CDV)

Want to learn more?

OEVE/OENORM EN 60839-7-11
Alarm systems - Part 7-11: Message formats and protocols for serial data interfaces in alarm transmission systems - Serial protocol for use in digital communication systems using CCITT V23 signalling at interfaces with the PSTN (IEC 79/182/CDV)