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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

Standards [CURRENT]

NF Z88-452 ; NF ETS 300452:2000-12-01
Business TeleCommunications (BTC) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation

Title (German)

Geschäftstelekommunikation (GT) - Analoge vermietene vierdrähtige Sonderqualitätsverbindungen (A4S) im Sprachfrequenzband - Anschlusskennwerte und Darstellung der Netzschnittstelle

Edition 2000-12-01

Original language French

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Terminology

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

NF Z88-452 ; NF ETS 300452:2000-12-01 Business TeleCommunications (BTC) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation

Want to learn more?

NF Z88-452 ; NF ETS 300452:2000-12-01
Business TeleCommunications (BTC) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation