IEC 60950-21:2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Information technology equipment - Safety - Part 21: Remote power feeding
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
04-02-2024
12-17-2002
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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