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Integrated Services Digital Network (ISDN); user-network interface data link layer specification; application of CCITT recommendations Q.920/I.440 and Q.921/I.441.
STANDARD published on 1.5.1992
Designation standards: DIN ETS 300125:1992-05
Publication date standards: 1.5.1992
SKU: NS-248127
The number of pages: 168
Approximate weight : 535 g (1.18 lbs)
Country: German technical standard
Category: Technical standards DIN
ISDN; Spezifizierung der Sicherungsschicht an der Teilnehmer-Netz-Schnittstelle; Anwendung der CCITT-Empfehlungen Q.920/I.440 und Q.921/I.441.
1.11.1997
1.11.1997
1.12.1999
1.12.1995
1.6.2000
1.6.2000
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