Table of Contents

Foreword
1 General
  1.1 Introduction
      1.1.1 Foreword
      1.1.2 NETs
      1.1.3 Types of NET
      1.1.4 NET 4
  1.2 Scope
  1.3 Method of use
      1.3.1 Structure of the ETS
      1.3.2 Use of requirements and tests
  1.4 Definitions of terms used in this ETS
      1.4.1 Local subscriber line (analogue)
      1.4.2 Public Switched Telephone Network (PSTN)
      1.4.3 PSTN connection point
      1.4.4 Terminal equipment
      1.4.5 States or conditions of TE
      1.4.6 Line terminals
      1.4.7 Speech band
  1.5 DC feeding arrangements
      1.5.1 Requirement values for feeding conditions
      1.5.2 Test values for feeding conditions
  1.6 Test parameters
      1.6.1 Environmental conditions
      1.6.2 Tolerances of components used for testing
      1.6.3 Test equipment accuracy
      1.6.4 Test equipment resolution
      1.6.5 Measurement values
      1.6.6 TE connection
  1.7 Summary of network tones and signals (informative)
      1.7.1 Dial tone
      1.7.2 Ringing tone
      1.7.3 Busy tone
      1.7.4 Congestion tone
      1.7.5 Special information tone(s)
      1.7.6 Call in progress tone
      1.7.7 Tones for other purposes
      1.7.8 Frequencies for pulse metering
      1.7.9 Ringing signal
  1.8 Abbreviations
  1.9 National designators
  1.10 Symbols
  1.11 Summary of references
History

Abstract

Specifies the technical requirements and their associated compliance tests to be met by all Terminal Equipment (TE) at each of its ports provided for connection to te Public Switched Telephone Network (PSTN).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	ATA
Supersedes	PRETS 300 001 (CH1-4) : JAN 90 PRETS 300 001(CH5-10) : APR 90 PRETS 300 001 : 1992