Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Requirements
  4.1 Nominal value of the supply voltage
  4.2 Normal service voltage range at interface "A"
  4.3 Abnormal service voltage range at interface "A"
  4.4 Voltage changes due to the regulation of the
      power supply
  4.5 Supply protection at interface "A"
  4.6 Maximum current drain following abnormal
      service
  4.7 Surge current on connection of interface "A"
  4.8 Conducted immunity requirements of the
      telecommunications equipment at interface "A"
  4.9 Conducted emissions requirements of the
      telecommunications equipment at interface "A"
5 Earthing and bonding
6 Electrical safety requirements
7 EMC requirements
Annex A (informative): 60 V[dc] systems
Annex B (informative): Information and guide on safety
                       onto the limit chart
  C.1 Measurement
  C.2 Pulse waveform transformation
Annex D (informative): Test arrangements for the
                       injection of electrical noise at
                       interface "A"
Annex E (informative): Identification of interface "A"
Annex F (informative): Bibliography
History

Abstract

Specifies requirements for the output performance of direct current (dc) power equipment at the interface "A" and the input of the telecommunications equipment connected to interface "A" powered by dc.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	EE 2
Supersedes	PRETS 300 132-2 : MAY 96