Câble à fibre optique sous-marin répété

20 kV submarine fiber optic cable for intercontinental telecommunications.

ZTT offers a comprehensive range of repeatered submarine optical cables certified by the UJC Alliance UJ certification. These systems feature a maximum working voltage of 20kV, support up to 96 fiber cores, and operate at depths reaching 8,000 meters. Engineered for transoceanic applications, they deliver long-distance, low-loss, high-speed connectivity for repeatered systems and submarine observation networks.

These cables feature a copper tape welded tube for power transmission to repeaters or sensors. The working voltage is customizable from 375 V to 20 kV. HDPE insulation ensures a system lifespan exceeding 25 years.
  • High Voltage Capacity

Up to 20kV operation reduces current and power loss. Precision HDPE extrusion guarantees high reliability.

  • Deep-Sea Operation

Rated for 8,000 meters depth. Tested at 127MPa with real-time optical attenuation and insulation integrity monitoring.

  • Low Signal Attenuation

G.654D optical fibers maintain attenuation below 0.16 dB/km.

  • Transcontinental communications backbone infrastructure
  • Government secure network operations
  • Deep-sea scientific monitoring (seismology, climate research)
  • Offshore energy platform control networks

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