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Central Loose Tube Optical Fiber Cables

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Central Loose Tube Optical Fiber Cables

Application

These 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

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

G50/125G62.5/125E9/125
Geometry/Mechanical Properties
Core Diameterµm50 ± 2.562.5 ± 3
Mode Field Diameter (at 1310 nm)µm9.2 ± 0.4
Cladding Diameterµm125 ± 2125 ± 1125 ± 2
Coating Diameterµm245 ± 10245 ± 5245 ± 10
Core Non-circularity%< 5< 5
Cladding Non-circularity%< 1< 1< 1
Core/Clad Concentricity Errorµm< 1.5< 1.5< 0.8
Eccentricity of Coatingµm< 10< 10< 10
Screen Test≥100 kpsi≥100 kpsi≥100 kpsi
Transmission PropertiesOM2OM1OS1
Wavelengthnm8501300850130013101550
Attenuation Max.dB/km2.70.83.20.90.360.22
Bandwidth Min.MHz. km5001000250600
Effective Group of Refraction1.4831.4781.4971.4931.46951.4701
Numerical Aperture0.200 ± 0.0150.275 ± 0.015
Dispersion Coefficient Max.ps/nm.km3.518
Zero Dispersion Wavelengthnm1300

  • –1322
Dispersion Slopeps/nm² .km≤0.092
Cutoff Wavelength (cabled)nm≤1250
Polarization Mode Dispersionps/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 FibersNominal Overall Diameter mmNominal Weight kg/km
MLN-CLA-X-1~24-H-J-Gup to 248.378

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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