TBR 025 : 20001
Current
The latest, up-to-date edition.
BUSINESS TELECOMMUNICATIONS (BTC) - 140 MBIT/S DIGITAL UNSTRUCTURED AND STRUCTURED LEASED LINES (D140U AND D140S); ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT INTERFACE
Hardcopy , PDF
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Requirements
4.1 Mechanical characteristics
4.2 Electrical characteristics
4.3 Safety
4.4 Overvoltage protection
4.5 ElectroMagnetic Compatibility (EMC)
Annex A (normative): Test methods
A.1 General
A.2 Test methods
Annex B (normative): Definition of CMI code
B.1 General
B.2 Definition
Annex C (normative): Definition of frame structure
C.1 Frame structure at 139 264 kbit/s
Annex D (normative): TBR Requirements Table (TBR-RT)
Annex E (informative): Bibliography
History
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