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Central Loose Tube Optical Fiber Cables

 

Application :

Marine optical fiber cables are designed to data transmission in ship and specially in cruise ship where low smoke, halogen free and fire retardant cables are required to increase safety on board..

Standards:

IEC 60332-1-2

IEC 60332-3-22

IEC 60754-1/2

IEC 61034

Construction:

IEC60092 Offshore & Marine Cables

Central Tube: 250μm. Fully filled with thixotropic jelly.

Reinforcing Elements: Glass yarns with watertight tape.

Outer Sheath: LSOH and FR compound.

Fiber Specification :

G50/125 G62.5/125 E9/125
Geometry/Mechanical Properties
Core Diameter µm 50 ± 2.5 62.5 ± 3
Mode Field Diameter (at 1310 nm) µm 9.2 ± 0.4
Cladding Diameter µm 125 ± 2 125 ± 1 125 ± 2
Coating Diameter µm 245 ± 10 245 ± 5 245 ± 10
Core Non-circularity % < 5 < 5
Cladding Non-circularity % < 1 < 1 < 1
Core/Clad Concentricity Error µm < 1.5 < 1.5 < 0.8
Eccentricity of Coating µm < 10 < 10 < 10
Screen Test ≥100 kpsi ≥100 kpsi ≥100 kpsi
Transmission Properties OM2 OM1 OS1
Wavelength nm 850 1300 850 1300 1310 1550
Attenuation Max. dB/km 2.7 0.8 3.2 0.9 0.36 0.22
Bandwidth Min. MHz. km 500 1000 250 600
Effective Group of Refraction 1.483 1.478 1.497 1.493 1.4695 1.4701
Numerical Aperture 0.200 ± 0.015 0.275 ± 0.015
Dispersion Coefficient Max. ps/nm.km 3.5 18
Zero Dispersion Wavelength nm 1300
–1322
Dispersion Slope ps/nm² .km ≤0.092
Cutoff Wavelength (cabled) nm ≤1250
Polarization Mode Dispersion ps/km1/2 ≤0.1

Mechanical and Thermal Properties :

Bending Radius for Fixed Installations: 20×OD

Temperature Range: -20℃ ~ +60℃

Dimensions and Weight :

Part No. No. of Optical Fibers Nominal Overall Diameter mm Nominal Weight kg/km
MLN-CLA-X-1~24-H-J-G up to 24 8.3 78

Note: X: Fiber type (0=Fiber and copper conductors in cable 4=50/125 multi-mode fiber (OM3); 5=50/125 multi-mode fiber (OM2); 6=50/125 multi-mode fiber (OM1); 7=NZDS SM fiber per G.656.; 8=NZDS SM fiber per G.655.; 9=Standard SM fiber per G.652.D)