Access and Terminals (AT); Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S); Terminal equipment interface
NORMA vydána dne 4.7.2001
Designation standards: ETSI EN 300453-V1.2.1
Publication date standards: 4.7.2001
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI