ETSI ETS 300 451 ed.1 (1996-02)

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Requirements and tests
  4.1 Connection characteristics
  4.2 Interface presentation
  4.3 Safety
  4.4 Overvoltage protection
  4.5 ElectroMagnetic Compatibility (EMC)
  4.6 Availability
Annex A (normative): Test methods
  A.1 General
  A.2 Test Methods
Annex B (informative): Weighted return loss
        measurements
  B.1 Introduction
  B.2 Weighting function
Annex C (informative): Overall loss and quantizing
        distortion
  C.1 Introduction
  C.2 Overall loss
  C.3 Quantizing distortion
Annex D (informative): Availability
  D.1 General
  D.2 Definition of unavailability periods
  D.3 Availability figures
Annex E (informative): Bibliography
History

Defines the public network side of the interface, together with the leased line service performance; includes test procedures for compliance.