Norm
[AKTUELL]
OENORM EN 300012-1 V 1.2.2
OENORM EN 300012-1 V 1.2.2
Integrated Services Digital Network (ISDN) - Basic User-Network Interface (UNI) - Part 1: Layer 1 specification
Titel (englisch)
Integrated Services Digital Network (ISDN) - Basic User-Network Interface (UNI) - Part 1: Layer 1 specification