INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE ACCESS-SAFETY AND PROTECTION. PART 1: GENERAL. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE ACCESS - SAFETY AND PROTECTION. PART 2: INTERFACE IA - SAFETY. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE ACCESS - SAFETY AND PROTECTION. PART 3: INTERFACE IA - PROTECTION. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); BASIC ACCESS - SAFETY AND PROTECTION. PART 1: GENERAL. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

INTEGRATED SERVICES DIGITAL NETWORK (ISDN), BASIC ACCESS - SAFETY AND PROTECTION. PART 2: INTERFACE IA - SAFETY. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

INTEGRATED SERVICES DIGITAL NETWORK (ISDN); BASIC ACCESS - SAFETY AND PROTECTION. PART 3: INTERFACE IA - PROTECTION. (Endorsed by AENOR in December of 1997.)

Die Norm herausgegeben am 1.12.1997

Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access - basic and primary rate (Endorsed by AENOR in September of 2004.)

Die Norm herausgegeben am 1.9.2004

Integrated Services Digital Network (ISDN); ISDN Packet Mode Bearer Services (PMBS); ISDN Virtual Call (VC) and Permanent Virtual Circuit (PVC) bearer services provided by the B-channel of the user access - basic and primary rate (Endorsed by AENOR in September of 2004.)

Die Norm herausgegeben am 1.9.2004

Integrated Services Digital Network (ISDN);ISDN Packet Mode Bearer Services (PMBS);ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access - basic and primary rate (Endorsed by Asociación Espanola de Normalización in February of 2022.)

Die Norm herausgegeben am 1.2.2022

Integrated Services Digital Network (ISDN);ISDN Packet Mode Bearer Service (PMBS);ISDN Virtual Call (VC) and Permanent Virtual Circuit (PVC) bearer services provided by the D-channel of the user access - basic and primary rate (Endorsed by Asociación Espanola de Normalización in February of 2022.)

Die Norm herausgegeben am 1.2.2022