Business Telecommunications (BT); Approval requirements for complex customer premises apparatus and installations connected to the Public ISDN (including principles for the application of the essential requirements to any apparatus)
STANDARD published on 24.9.1991
Designation standards: ETSI ETR 034-ed.1
Publication date standards: 24.9.1991
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: European technical standard
Category: Technical standards ETSI