Access and Terminals (AT); Ordinary quality voice bandwidth 4-wire analogue leased line (A4O); Connection characteristics and network interface presentation (Endorsed by AENOR in February of 2004.)
STANDARD published on 1.2.2004
Designation standards: UNE-EN 300451V1.2.1
Publication date standards: 1.2.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE