• CCITT Rec. K.25 (11/1988) – LIGHTNING PROTECTION OF OPTICAL FIBRE CABLES
  • LIGHTNING PROTECTION OF OPTICAL FIBRE CABLES
  • 1 Introduction
  • 2 Need for protection
  • 3 Protective measures
    • 3.1 Correct connection of metallic moisture barriers
    • 3.2 Use of shield wires above the cable
    • 3.3 Use of metal-free cables
    • 3.4 Use of cables which have metal components but have adequate resistibility to a level of lightning surge currents
  • 4 Protection of remote power-feeding circuits in optical fibre equipment
  • 5 Future work
  • References