Television systems;Specification of the domestic video Programme Delivery Control system (PDC) (Endorsed by Asociación Espanola de Normalización in July of 2021.)

Die Norm herausgegeben am 1.7.2021

Transmission and Multiplexing (TM);Optical interfaces for equipments and systems relating to the Synchronous Digital Hierarchy (SDH) [ITU-T Recommendation G.957 (1995), modified] (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Änderung herausgegeben am 1.5.2022

Transmission and Multiplexing (TM);Optical interfaces for equipments and systems relating to the Synchronous Digital Hierarchy [ITU-T Recommendation G.957 (1993), modified] (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Die Norm herausgegeben am 1.5.2022

Integrated Services Digital Network (ISDN);Access digital section for ISDN primary rate;Conformance Testing Principles (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Änderung herausgegeben am 1.5.2022

Integrated Services Digital Network (ISDN);Access digital section for ISDN primary rate (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Die Norm herausgegeben am 1.5.2022

TRANSMISSION AND MULTIPLEXING (TM). DIGITAL RADIO RELAY SYSTEMS (DRRS). HIGH CAPACITY DRRS CARRYING 1 X STM-1 SIGNALS AND OPERATING IN FREQUENCY BANDS WITH ABOUT 30 MHZ CHANNEL SPACING AND ALTERNATED ARRANGEMENTS.

Die Norm herausgegeben am 20.7.1999

Transmission and Multiplexing (TM);High capacity digital radio-relay systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements (Endorsed by Asociación Espanola de Normalización in May of 2022.)

Die Norm herausgegeben am 1.5.2022

Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements (Endorsed by AENOR in July of 2003.)

Die Norm herausgegeben am 1.7.2003

Fixed Radio Systems; Point-to-point equipment; High capacity digital radio systems carrying 1 x STM-1 signals and operating in frequency bands with about 30 MHz channel spacing and alternated arrangements (Endorsed by AENOR in July of 2003.)

Die Norm herausgegeben am 1.7.2003

RADIO EQUIPMENT AND SYSTEMS (RES). TECHNICAL CHARACTERISTICS, TEST CONDITIONS AND METHOD OF MEASUREMENT FOR RADIO ASPECTS OF CORDLESS TELEPHONES CT1.

Die Norm herausgegeben am 25.10.1999