UNE-EN 60950-21:2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Information technology equipment - Safety - Part 21: Remote power feeding
Hardcopy , PDF
01-05-2020
Spanish, Castilian, English
30-04-2004
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.
Committee |
CTN 209/SC108
|
DocumentType |
Standard
|
Pages |
22
|
PublisherName |
Asociacion Espanola de Normalizacion
|
Status |
Superseded
|
SupersededBy |
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 |
NBN EN 60950-21 : 2003 | Identical |
BS EN 60950-21:2003 | Identical |
IEC 60950-21:2002 | Identical |
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