EN 300 451 : 1.2.1
Current
The latest, up-to-date edition.
ACCESS AND TERMINALS (AT); ORDINARY QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINE (A4O); CONNECTION CHARACTERISTICS AND NETWORK INTERFACE PRESENTATION
Hardcopy , PDF
English
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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 ordinary 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.
| Committee |
AT ANALOGUE
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| I.S. EN 300 451:2001 | Identical |
| DIN EN 300451:2002-01 | Identical |
| NEN EN 300451 : 2001 | Identical |
| NBN EN 300 451 : V1.2.1 | Identical |
| PN EN 300 451 : 2002 | Identical |
| EG 201 730-2 : 2.1.2 | TERMINALS' ACCESS TO PUBLIC TELECOMMUNICATIONS NETWORKS; APPLICATION OF THE DIRECTIVE 1999/5/EC (R&TTE), ARTICLE 4.2; GUIDELINES FOR THE PUBLICATION OF INTERFACE SPECIFICATIONS; PART 2: ANALOGUE NARROW-BAND WIRELINE INTERFACES |
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