Foreword
1 Scope
2 Reference
3 Abbreviations
4 General requirements
4.1 Safety requirements
4.2 Electromagnetic compatibility
5 Technical requirements for DTEs intended for connection to
DCEs attached to the Public Switched Telephone Network (PSTN)
5.1 Data Circuit-Terminating Equipment (DCE) that may be
provided by Administrations for connection to the PSTN
5.2 The interface
5.3 Requirements for DTEs intended to be connected to
automatic answering and/or automatic calling equipment
6 Technical requirements for DTEs intended to be connected to
DCEs attached to fixed connections over analogue facilities
6.1 General
6.2 The interface
7 Requirements for DTEs intended to accommodate plug-in DCEs
7.1 General
7.2 Technical requirements
8 Signal quality
Annex A (informative): List of national network-dependent
requirements
A.1 Clause 1 (scope)
A.2 Clause 5
A.3 Clause 6
A.4 Clause 7
Annex B (informative): Test methods
B.1 Test equipment requirements
B.2 Interchange equivalent circuit
B.3 Electrical characteristics
B.4 Provision of interchange circuits
B.5 Logical interrelationships between interchange circuits
History