Rec. ITU-T K.123 (07/2019) - Electromagnetic compatibility requirements for electrical equipment in telecommunication facilities
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Connection of equipment in a telecommunication centre
7 Emissions from 9 kHz to 6 GHz
     7.1 Test methods and limits
          7.1.1 Conducted emission at AC and DC power input ports
          7.1.2 Conducted emission at AC and DC power output ports
          7.1.3 Conducted emission at signal ports
          7.1.4  Conducted emission specifically from GCPC
          7.1.5 Radiated emission at enclosure port
     7.2 Operational conditions
     7.3 Test configuration
8 Guidance on noise other than emissions from 9 kHz to 6 GHz
     8.1 Requirements for harmonic currents and voltage change on AC input ports
     8.2 Noise on DC output port.
     8.3 Noise on AC output ports
Bibliography