UNE-ETS 300686 Ed 1:2001

Telecomunicaciones de empresa (BTC). Líneas digitales alquiladas de 34 Mbit/s y de 140 Mbit/s (D34U, D34S, D140U y D140S). Presentación de la interfaz de red.

Business TeleCommunications (BTC); 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U, D140S); Network interface presentation.