• HANDBOOK – Mitigation measures for telecommunication installations – Part 1: General Principles
    • CONTENTS
    • 1 Scope
    • 2 References
      • 2.1 Basic guidelines
      • 2.2 EMI
      • 2.3 Overvoltage and overcurrent
    • 3 Abbreviations
    • 4 EM environment around/in a telecom installation
    • 5 Noise sources and typical malfunction phenomena
      • 5.1 Noise sources
      • 5.2 Typical malfunction phenomena
    • 6 Identification of noise sources
      • 6.1 Environmental conditions
      • 6.2 Malfunction patterns and related issues
      • 6.3 Visual inspection
      • 6.4 Functional tests and electrical characterization
      • 6.5 Decapsulation and internal visual inspection
      • 6.6 Fault site location techniques
    • 7 Mitigation measures
    • 8 Remarks on mitigation measures
      • 8.1 Emission and immunity improvement
      • 8.2 Overvoltage and overcurrent
    • 9 Methodology for measuring and evaluating EM-environment
      • 9.1 Measuring tools
      • 9.2 Measuring EMI noise
      • 9.3 Finding EMI sources
    • 10 Procedures for solving EMC problems in the field
      • 10.1 Items to be checked before considering EMI
      • 10.2 Checking compliance with the requirements
      • 10.3 Measuring the EM environment
      • 10.4 Evaluating the EM environment and clarifying EMI sources
      • 10.5 Procedure
    • Annex A – Examples of mitigation measures
      • A.1 Applying mitigation measures to telephone
      • A.2 Applying mitigation measures to FAX
      • A.3 Applying mitigation measures to switching equipment
      • A.4 Applying mitigation measures to ADSL modem
    • Annex B – Ancillary telecom equipment and installation of additional telephones
    • Annex C – Basic protection configuration