Fibre Optical Cables

Submarine cable is a key carrier for submarine cable systems. Submarine cables are designed for repeatered and unrepeatered systems. There are five different types of submarine cables with different technical features that can be used according to the application environment.

Several protection types to adapt different seabed envinronments

Light Weight (LW): Can be installed at depths of 1000-8000m, in stable sandy seabeds. Offering mild protection, the center is a loose tube structure, wrapped around metal reinforced steel wire. The outer layer is a dense polyethylene protective cover.

Light Weight Protection (LWP):Can be installed at depths of 1000-8000m, in rough surface seabeds. To withstand an environment moderate wear or damage by marine animals, the metal band is increased over the LW, and a second layer of polyethylene protection is added to improve anti-wear and anti-corrosion ability.

Light Weight Armour (LWA): Can be installed at depths of 20-1500m, depending on the  terrain, and in moderate tugboat damage areas. These cables can be used at depths of 2000m when not buried. LWA has increased light armour wire over LW.

Single Armour (SA): Can be installed at depths of 20-1500m, in complex rock topography, and in high risk tugboat hazard area. This cable type provides a layer of heavy armoured wire over LWA.

Double Armour (DA): Can be installed at depths below 500m, in complex rock topography, and in high risk tug and high wear areas. This cable type provides 2 more layers of heavy armoured wire than LW.

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