IEC 60950-21:2002
Current
The latest, up-to-date edition.
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
17-12-2002
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirements
4.1 Power from a telecommunication network (see also
1.4.11 of IEC 60950-1)
4.2 Access to energized parts (see also 2.1.1.1 of IEC
60950-1)
4.3 Protection in service access areas (see also 2.1.2
of IEC 60950-1)
4.4 Protection in restricted access locations (see also
2.1.3 of IEC 60950-1)
4.5 Interconnection of equipment
4.5.1 General requirements (see also 3.5.1 of IEC
60950-1)
4.5.2 Interconnection between RFT circuits (see also
3.5.2 of IEC 60950-1)
5 Connection to telecommunication networks
6 Remote power feeding
6.1 RFT-C circuit limits
6.1.1 Limits under normal operating conditions
6.1.2 Limits under single fault conditions
6.1.3 Limits with one conductor earthed
6.2 RFT-V circuit limits
6.2.1 Limits under normal operating conditions
6.2.2 Limits under single fault conditions
6.2.3 Limits with one conductor earthed
6.3 Separation from other circuits and parts
6.4 Installation instructions
Annex A (informative) Remote power feeding
Bibliography
Figures
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