ČSN ETS 300453-ed.1 (871523)

Business TeleCommunications (BTC). Ordinary and special quality voice bandwidth 4-wire analogue leased line (A4O and A4S). Terminal equipment interface

STANDARD published on 1.2.1997

Czech preface only -
Print design (1.30 USD)

The information about the standard:

Designation standards: ČSN ETS 300453-ed.1
Classification mark: 871523
Catalog number: 21366
Publication date standards: 1.2.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN