NF EN 4533-003 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Initial design considerations
  3.1 General
  3.2 System design considerations
      3.2.1 Connectorisation and available power budget
      3.2.2 The use of redundancy
      3.2.3 Spare cabling
      3.2.4 Dormant fibres
  3.3 Harness routing considerations
      3.3.1 General
      3.3.2 Drip loops
      3.3.3 Circular paths
  3.4 Securing and attachment mechanisms
  3.5 Protection mechanisms
      3.5.1 General
      3.5.2 Conduit
  3.6 Installation mechanisms
  3.7 Through life support
4 Manufacturing issues
  4.1 General
  4.2 Handling
      4.2.1 General
      4.2.2 Minimum bend radii
      4.2.3 Forming the loom
  4.3 Cable identification methods
      4.3.1 Identifications
      4.3.2 Heatshrink identification sleeves
  4.4 Installation of fibres in conduit
      4.4.1 General
      4.4.2 Connectors and conduit
5 Looming and installation on aircraft
  5.1 Termination, protection of the end-face
      5.1.1 General
      5.1.2 Free connectors
      5.1.3 Fixed connectors
  5.2 Pulling of fibre optic cables/harnesses through
      conduits during installation
  5.3 Routing of fibre optic cables through pressure bulkheads
  5.4 Electrical/optical
  5.5 Additional considerations
      5.5.1 Cable marking
      5.5.2 Cable storage

L'objectif de la présente partie de l'EN 4533 consiste à fournir des conseils et une assistance techniques aux concepteurs et aux ingénieurs au sujet de l'incorporation des harnais de fibres optiques dans la cellule avion, tout en restant au maximum conformes aux procédures courantes relatives aux harnais électriques à usage aéronautique.