TR 102 121 : 1.2.1
Current
The latest, up-to-date edition.
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English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Types of power supply systems
4.1 DC supply
4.2 AC supply
5 Power supply interfaces in telecommunication installations
5.1 PSI 1 interface between primary power and telecommunication
installations and equipment
5.2 PSI 2 interface
5.3 PSI 3 interface between telecommunication installations
or equipment and the telecommunication networks
5.4 Cabling and routing
6 Earthing and equipotential bonding
Annex A: Principle of artificial dc mains network for measurement
of disturbance
History
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