UNE-EN 300324-1 V1.2.3:2004 V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 1: V5.1 interface specification (Endorsed by AENOR in December of 2004.)
2004UNE-EN 300324-1 V2.1.1:2004 V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 1: V5.1 interface specification (Endorsed by AENOR in December of 2004.)
2004UNE-EN 300324-1 V1.2.3:2004 V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN); Part 1: V5.1 interface specification (Endorsed by AENOR in December of 2004.)