NBN EN 60950-21 : 2003
Current
The latest, up-to-date edition.
INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 21: REMOTE POWER FEEDING
12-01-2013
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
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Pertains to information technology equipment intended to supply and receive operating power via a TELECOMMUNICATION NETWORK, where the voltage exceeds the limit for TNV CIRCUITS.
DocumentType |
Standard
|
PublisherName |
Belgian Standards
|
Status |
Current
|
Standards | Relationship |
NF EN 60950-21 : 2003 | Identical |
EN 60950-21:2003 | Identical |
I.S. EN 60950-21:2003 | Identical |
DIN EN 60950-21 : 2003 | Identical |
BS EN 60950-21:2003 | Identical |
UNE-EN 60950-21:2004 | Identical |
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