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
       T[B] and S[B] reference points for 2048 kbit/s
   4.4 Relationship between ISDN interfaces
   4.5 Functional groups characteristics
5 UNI specifications
   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 at the
   T[B] and S[B] reference point of the UNI
   for 2 048 kbit/s
   7.1 Bit rate and interface symmetry
   7.2 Physical characteristics
8 Power feeding
   8.1 Provision of power
   8.2 Power available at B-NT1
   8.3 Feeding voltage
   8.4 Safety requirements
9 Functions provided by the transmission convergence
   sublayer
   9.1 Transfer capability for 2048 kbit/s
   9.2 Physical Layer aspects
   9.3 Header error control
   9.4 Idle cells
   9.5 Cell delineation and scrambling
10 UNI related OAM and operational functions
   10.1 Operational functions
Annex A (informative): Bibliography
History

Abstract

Defines the physical layer user network interface for a bit rate of 2 Mbit/s (ATM) to be applied at reference point Sb and Tb.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TM 3
Supersedes	PRETS 300 742 : JAN 97