Radio Equipment and Systems (RES). ElectroMagnetic Compatibility (EMC) standard for commercially available amateur radio equipment

Die Norm herausgegeben am 1.8.2000

Broadband Integrated Services Digital Network (B-ISDN). Usage of cause and location in Digital Subscriber Signalling System No. two (DSS2) and Signalling System No. 7. B-ISDN User Part (B-ISUP). (ITU-T Recommendation Q.2610 (1995), modified)

Die Norm herausgegeben am 1.8.2000

Business TeleCommunications (BTC) 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D140U and D140S). Network interface presentation

Die Norm herausgegeben am 1.9.1999

Access and Terminals (AT) 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U, D140S). Network interface presentation

Die Norm herausgegeben am 1.4.2004

Access and Terminals (AT). 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U, D140S). Network interface presentation

UNGÜLTIG herausgegeben am 1.2.2002

Business TeleCommunications (BTC) 34 Mbit/s digital leased lines (D34U, D34S) Connection characteristics

Die Norm herausgegeben am 1.9.1999

Access and Terminals (AT) 34 Mbit/s digital leased lines (D34U and D34S). Connection characteristics

Die Norm herausgegeben am 1.5.2004

Access and Terminals (AT). 34 Mbit/s digital leased lines (D34U and D34S). Connection characteristics

UNGÜLTIG herausgegeben am 1.2.2002

Business TeleCommunications (BTC) 140 Mbit/s digital leased lines (D140U, D140S). Connection characteristics

Die Norm herausgegeben am 1.9.1999

Access and Terminals (AT). 140 Mbit/s digital lased lines (D 140U and 140S). Connection characteristics

Die Norm herausgegeben am 1.11.2003