Central Loose Tube Optical Fiber Cables

Applications

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

Standards

  • IEC 60332-1-2
  • IEC 60754-1/2
  • IEC 60332-3-22
  • IEC 61034

Construction

  Central Loose Tube Optical Fiber 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/nm^2 .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 Nominal Weight
    mm 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)

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