Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Reference configuration at the user-network
  interface
  4.1 Functional groups and reference points
  4.2 Examples of physical realizations
  4.3 Basic characteristics of the interfaces at TB
      and SB reference points
  4.4 Relationship between ISDN interfaces
  4.5 Functional groups characteristics
5 UNI specification
  5.1 Interface location with respect to reference
      configuration
  5.2 Interface location with respect to the wiring
      configuration
6 Service and layering aspects of the physical layer
  6.1 Services provided to the ATM-layer
  6.2 Service primitives exchanged with the ATM layer
  6.3 Sublayering of the physical layer
7 Physical medium characteristics of the UNI at
  155520 kbit/s
  7.1 Characteristics of the interface at the TB and
      SB reference point
8 Physical medium characteristics of the UNI at 622080
  kbit/s
  8.1 Characteristics of the interface at the TB and
      SB reference point
9 Power feeding
  9.1 Provision of power
  9.2 Power available at B-NT1
  9.3 Feeding voltage
  9.4 Safety requirements
10 Functions provided by the transmission convergence
   sublayer
  10.1 Transfer capability
  10.2 Physical layer aspects
  10.3 Header error control
  10.4 Idle cells
  10.5 Cell delineation and scrambling
11 UNI related OAM functions
  11.1 Transmission overhead allocation
  11.2 Maintenance signals
  11.3 Transmission performance monitoring
  11.4 Control communication
12 Operational functions
  12.1 Definition of signals at the interface
  12.2 Definitions of state tables at network and user
       sides
Annex A (informative): Impact of random bit errors on
                       cell delineation performance
Annex B (informative): Bibliography
History

Abstract

Describes and specifies SDH-based user-network physical layer interface.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	NA 5
Supersedes	PRETS 300 300 : JAN 97