ETSI EN 300 452 V1.2.1 (2001-07)

Intellectual Property Rights
Foreword
Introduction
1 Scope
2 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
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

Describes the technical requirements and test principles for the connection characteristics and the physical and electrical characteristics (except safety, overvoltage and EMC aspects) of the network interface presentation of special quality, voice bandwidth, 4-wire, analogue leased lines, provided as part of the minimum set under the Council Directive on the application of Open Network Provision (ONP) to leased lines.