Submarine Optical Cable
The main characteristics of the cable
Number of fibers: 4 optical fibers.
Laying depth: Up to 600 meters.
Hydrostatic pressure: 6 MPa.
Tensile force:
Maximum (UTS): 560 kN.
Short-term (NTTS): 420 kN.
During installation and repair (NOTS): 280 kN.
Long-term (NPTS): 200 kN.
Minimum bending radius: 1.5 meters.
Outer diameter: 40.4 mm.
Cable weight:
In the air: 4.5 kg/m.
Under water: 3.3 kg/m.
2. Cable design
The cable has the following structure:

Central power element:
Diameter: 2.7 mm.
Thickness: 0.25 mm.
Optical modules:
The copper tube is 0.6 mm thick.
Multi-layer armor:
1 layer of inner armor: Ø 1.40 × 9 wires.
2 layer of internal armor: Ø 0.94 × 9 wires.
3 layer of internal armor: 1.26 × 9 wires.
1 layer of external armor: 3.8 × 17 wires (bitumen compound).
2 layer of external armor: Ø 3.8 × 23 wires (bitumen compound).
Protective shells:
Intermediate polymer shell: 4.8 mm.
Polypropylene yarn after weaving: 3.6 mm.
5 km
5 km
10 km