Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Configuration and application
  4.1 Configuration
  4.2 Application
  4.3 Modelling and relationship between the access
      digital section and the ET
5 Functions
  5.1 B-channel
  5.2 H0-channel
  5.3 H1-channel
  5.4 D-channel
  5.5 Bit timing
  5.6 Octet timing
  5.7 Frame alignment
  5.8 CRC-4 procedure
  5.9 M-channel
  5.10 Power feeding
  5.11 Operation and maintenance of the access digital
       section
6 Signal transfer delay
7 Jitter
  7.1 Output/input jitter at T reference point
  7.2 Jitter at the V3 reference point
8 Operation and maintenance
  8.1 Control facilities
  8.2 Monitoring
  8.3 Error performance monitoring
9 Operation and maintenance procedures
  9.1 Partitioning of functions
  9.2 Definitions of signals at the T reference point
  9.3 Definition of signals at the V3 reference point
  9.4 Definition of ET layer 1 state machine
  9.5 Definition of DS state machine
Annex A (normative): System management requirements
  A.1 Introduction
  A.2 System management requirements
  A.3 Handling of CRC error information in the ET
  A.4 Definition of ET layer 1 state machine
Annex B (normative): Combined ET and LT functions
Annex C (normative): Conformance testing
Annex D (informative): Bibliography
Annex E (informative): NT1 functions with 2048 kbit/s
                       and Option 2
History

Abstract

Configuration and requirements for the primary rate access digital section between the T and V3 reference points. Requirements for the ET for interworking at the V3 ref pt. Applicable for different types of transmission systems and techniques. Contains conformance test spec.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TM 3
Supersedes	PRETS 300 233 : DEC 93