NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN ETS 300011/A2 [Withdrawn] references following documents:

Document number Edition Title
ETS 300011 1992-04 Integrated Services Digital Network (ISDN); primary rate user-network interface; layer 1 specification and test principles More 
ITU-T Q.9 1988-11 Vocabulary of switching and signalling terms More