NS EN 50098-1 : 2ED 2000

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Abbreviations and symbols
  4.1 Abbreviations
  4.2 Symbols
5 Design requirements
  5.1 General
  5.2 Insertion loss
  5.3 Longitudinal conversion loss
  5.4 Round trip delay
  5.5 Power feeding
  5.6 Electromagnetic environment
  5.7 Spurs
  5.8 Near-end crosstalk loss (NEXT)
6 Configurations
  6.1 General
  6.2 The point-to-point configuration
  6.3 The short passive bus configuration
  6.4 The extended passive bus configuration
  6.5 The Y-configuration
  6.6 The star configuration
  6.7 Implementation over generic cabling systems
7 Minimum requirements for components
  7.1 General
  7.2 Cables
  7.3 Terminal cords
  7.4 Terminating resistors
  7.5 Telecommunications outlets and joint boxes
  7.6 Cross-connect products/patch cords
8 Cabling qualification
  8.1 General
  8.2 Spurs
  8.3 Cabling integrity
  8.4 d.c. loop resistance
  8.5 d.c. resistance unbalance
  8.6 Insulation resistance
  8.7 Insertion loss
  8.8 Round trip delay
  8.9 Characteristic impedance
  8.10 Near end crosstalk loss (NEXT)
  8.11 Impulsive noise
  8.12 Bit error rates
  8.13 Longitudinal conversion loss
Annex A (informative) Characteristics of Category 3 and
        Category 5 cables
Bibliography

Defines the requirements for the design and configuration of customer premises cabling for the connection of basic access ISDN equipment. Defines: minimum cabling requirements for the installation of new cabling; design requirements for ISDN basic access with point to point and point to multipoint cabling; criteria for the use of existing cabling.