NEN EN 50346 : 2003 AMD 2 2009

Introduction
1 Scope
2 Normative references
3 Definitions, abbreviations and symbols
  3.1 Definitions
  3.2 Abbreviations
  3.3 Symbols
4 General requirements
  4.1 Location of measurement (test) interfaces
  4.2 Safety requirements for test procedures
  4.3 Test system
  4.4 Normalisation and calibration
  4.5 Environmental conditions
  4.6 Test results
  4.7 Documentation
5 Test parameters for balanced copper cabling
  5.1 Wire map
  5.2 Length
  5.3 Propagation delay
  5.4 Delay skew
  5.5 Attenuation (insertion loss)
  5.6 Attenuation (insertion loss) deviation
  5.7 Near end crosstalk loss (NEXT, pair-to-pair and power sum)
  5.8 Equal level far end crosstalk loss (ELFEXT, pair-to-pair
       and power sum)
  5.9 Attenuation to crosstalk ratio (ACR, pair-to-pair and
       power sum)
  5.10 Return loss
  5.11 Unbalance attenuation, near end (LCL)
  5.12 Coupling attenuation
  5.13 Direct current (d.c.) loop resistance
  5.14 Resistance unbalance
6 Test parameters for optical fibre cabling
  6.1 Propagation delay
  6.2 Length
  6.3 Inter-component distance
  6.4 Attenuation
  6.5 Return loss
Annex A (normative) Test procedures for multimode optical fibre
        cabling attenuation measurement
Bibliography