EN 300 766 : 1.2.1
Current
The latest, up-to-date edition.
ACCESS AND TERMINALS (AT); MULTIPLE 64 KBIT/S DIGITAL UNRESTRICTED LEASED LINES WITH OCTET INTEGRITY PRESENTED AT A STRUCTURED 2 048 KBIT/S INTERFACE AT EITHER OR BOTH ENDS (D64M); 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 Overview (informative)
5 Connection characteristics
5.1 Summary of attributes
5.2 Information transfer
5.3 Information transfer susceptance
5.4 Structure and octet
5.5 Establishment of connection
5.6 Symmetry
5.7 Transmission delay
5.8 Controlled slip
5.9 Errored seconds
5.10 Severely errored seconds
5.11 Availability
6 Interface characteristics -2 048 kbit/s
interface
6.1 Connection arrangements
6.2 Frame structure
6.3 Output signal coding
6.4 Output waveform shape
6.5 Output timing
6.6 Output timing under failure conditions
6.7 Output impedance towards ground
6.8 Output jitter
6.9 Input signal coding
6.10 Input return loss
6.11 Input loss tolerance
6.12 Input immunity against reflections
6.13 Tolerable longitudinal voltages
6.14 Impedance towards ground
6.15 Input jitter tolerance
7 Interface characteristics -64 kbit/s interface
7.1 Connection arrangements
7.2 Output signal coding and octet structure
7.3 Output waveform shape
7.4 Output timing
7.5 Output timing under failure conditions
7.6 Output jitter
7.7 Impedance towards ground
7.8 Longitudinal conversion loss
7.9 Input signal coding and octet structure
7.10 Input jitter tolerance
7.11 Input return loss
7.12 Input loss tolerance
7.13 Immunity against reflections
7.14 Impedance towards ground
7.15 Longitudinal conversion loss
8 Safety
9 ElectroMagnetic Compatibility (EMC)
10 Overvoltage
Annex A (normative): Test methods
A.1 General
A.2 Main test
Annex B (informative): Bibliography
History
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