Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Terms, definitions and abbreviations<br>4 Description of technologies<br>5 Parameters for selection of SPDs and appropriate tests<br>&nbsp;&nbsp;from IEC 61643-21<br>6 Risk management<br>7 Application of SPDs<br>8 Multiservice surge protective devices<br>9 Coordination of SPDs/ITE<br>Annex A (informative) - Voltage-limiting components<br>Annex B (informative) - Current-limiting components<br>Annex C (informative) - Risk management<br>Annex D (informative) - Transmission characteristics related<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to IT systems<br>Annex E (informative) - Coordination of SPDs/ITE<br>Annex F (informative) - Protection of Ethernet systems<br>Annex G (informative) - EMC impact of SPDs<br>Annex H (informative) - Definition of internal port (Source:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ITU-T K.44)<br>Annex I (informative) - Maintenance of SPDs for Information<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Technology<br>Annex J (informative) - Earth potential rise (EPR)<br>Annex K (informative) - References and examples of risk<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;management based on IEC 62305-2<br>Bibliography

Abstract

Explains the principles for the selection, operation, location and coordination of SPDs connected to telecommunication and signalling networks with nominal system voltages up to 1000 V r.m.s. a.c. and 1500 V d.c.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	PEL/37/1
Supersedes	DD CLC/TS 61643-22 : 2006