Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
  3.1 Definitions
  3.2 Symbols
  3.3 Abbreviations
4 Type of configurations
  4.1 Point-to-point
  4.2 Location of interface
  4.3 Interface wiring
  4.4 Interface connector
5 Functional characteristics
  5.1 Summary of functions (layer 1)
  5.2 Interchange circuits
  5.3 Activation/deactivation
  5.4 Definition of primitives
  5.5 Frame structure
  5.6 Bit sequence independence
  5.7 Line code
  5.8 Timing considerations
6 Interface procedure
  6.1 Definition of signals at the interface
  6.2 Definitions of state tables at network and user
      sides
  6.3 Layer 1 states on the user side of the interface
  6.4 Layer 1 states at the network side of the
      interface
  6.5 State tables
  6.6 Allocation of time slots
  6.7 Interframe (layer 2) time fill
  6.8 Frame alignment and CRC-4 procedures
7 Maintenance at the interface
  7.1 Definitions of maintenance signals
  7.2 Use of CRC procedure
  7.3 Maintenance functions
8 Electrical characteristics
  8.1 Type of interface
  8.2 Specifications at the output ports
  8.3 Specification at the input ports
  8.4 Jitter
9 Power feeding
  9.1 Provision of power
  9.2 Power available at the NT
  9.3 Feeding voltage
  9.4 Protection requirements
Annex A (normative): Application of the present
        document to the S reference point
      A.1 Scope
      A.2 Requirements
      A.3 Interface wiring
      A.4 Loopbacks required at S reference point
Annex B (normative): Characteristics of loopbacks
      B.1 Introduction
      B.2 Characteristics of loopback at the network
          side
      B.3 Characteristics of loopbacks for primary
          rate customer installations
Annex C (informative): Overview of technical changes
        to edition 1
Bibliography
History

Abstract

Describes requirements and test principles for the ISDN 2048 kbit/s primary rate UNI including the physical, electrical and functional characteristics and the information exchange with higher layers.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TM 6