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ČSN is a protected designation of Czech national technical standards.
Digitální síť integrovaných služeb (ISDN) - Základní rozhraní mezi uživatelem a sítí - Specifikace vrstvy 1 a principy zkoušek.
Change published on 1.11.1996
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 1: Layer 1 specification
Standard published on 1.10.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Základní rozhraní mezi uživatelem a sítí (UNI) - Část 1: Specifikace vrstvy 1 (Norma k přímému použití jako ČSN).
Standard published on 1.2.2001
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 2: Implementation Conformance Statement (ISC) and Implementation eXtra Information for Testing (IXIT) specification for interface IA
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 3: Implementation Conformance Statement (ICS) and Implementation eXtra Information for Testing (IXIT) specification for interface IB
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 4: Conformance test specification for interface IA
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 5: Conformance test specification for interface IB
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 6: Abstract Test Suite (ATS) specification for interface IA
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 7: Abstract Test Suite specification (ATS) for interface IB
Standard published on 1.10.1999
Selected format:Transmission and Multiplexing (TM). Synchronous Digital Hierarchy (SDH). Multiplexing structure
Standard published on 1.2.1996
Selected format:Latest update: 2025-08-15 (Number of items: 2 211 582)
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