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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - Conformance testing for the Euro-ISDN Programming Communication Interface (PCI) - Part 4: Abstract Test Suite (ATS) specification for the Network Access Facility (NAF)
Standard published on 1.3.1999
Selected format:Terminal Equipment (TE) - Attachment requirements for pan-European approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE supporting the voice telephony service in which network addressing,if provided, is by means of Dual Tone Multi Frequency (DTMF) signalling
Standard published on 1.2.2001
Selected format:
WITHDRAWN published on 1.2.2000
Selected format:Attachment requirements for Data Terminal Equipment (DTE) to connect to public networks that have physical and electrical network presentations based upon the ITU-T V-series of Recommendations
Standard published on 1.8.2000
Selected format:Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services - Terminal Equipment requirements - Part 1: Off-line data transmission
WITHDRAWN published on 1.9.1998
Selected format:Přístup k síti a koncová zařízení (AT) - Analogový přístup k veřejné komutované telefonní síti (PSTN) - Protokol v místní smyčce pro zobrazovací a příbuzné služby - Požadavky na koncová zařízení - Část 1: Nespřažený přenos dat (Norma k přímému použití jako ČSN).
WITHDRAWN published on 1.10.2001
Selected format:Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services - Terminal Equipment requirements - Part 2: On-line data transmission
WITHDRAWN published on 1.11.1998
Selected format:Přístup k síti a koncová zařízení (AT) - Analogový přístup k veřejné komutované telefonní síti (PSTN) - Protokol v místní smyčce pro zobrazovací a příbuzné služby - Požadavky na koncová zařízení - Část 2: Spřažený přenos dat (Norma k přímému použití jako ČSN).
WITHDRAWN published on 1.10.2001
Selected format:Transmission and Multiplexing (TM). Synchronous cross connect equipment 64 and n x 64 kbit/s cross connection rate 2048 kbit/s access ports. Part 1: Core functions and characteristics
Standard published on 1.4.1996
Selected format:Transmission and Multiplexing (TM) - Synchronous cross connection equipment 64 kbit/s cross connection trate 2 048 kbit/s access ports - Part 2: Management aspects
Standard published on 1.11.1997
Selected format:Latest update: 2025-08-17 (Number of items: 2 211 709)
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