CT2242 Outdoor Single Mode Armoured Trackside Optical Fiber Cables

 

Applications :

  • The cables are designed for long distance telecom links on optical fibres along railway tracks. The cables are suitable for installation directly in channels or buried.

Standards :

  • SNCF CT 2242.6.1
 

 

Construction :

  • Fibres : Singlemode optical fibres G652 coloured (6 or 12 per tube).
  • Central Strength Member : Non-metallic central reinforcement (FRP).
  • Tube : PBT polyester tubes containing fibres.
  • Filling : Petroleum jelly with water-swelling yarns to provide longitudinal watertightness.
  • Inner Sheath : Low density polyethylene.
  • Armour : 0.25mm thick corrugated steel tape armour.
  • Outer Sheath : Low density polyethylene.

Electrical Characteristics at 20 °C :

  • Maximum Attenuation G652
        @1310nm dB/km 0.35
        @1550nm dB/km 0.22
    Maximum Chromatic Dispersion
    Between 1260 and 1360nm ps/(nm/km) 3.5
    Between 1530 and 1565nm ps/(nm/km) 19
    Zero Dispersion Wavelength nm 1310±11
    Zero Dispersion Slope ps/(nm2.km) 0.09
    Numerical Aperture 0.14
    Point discontinuity dB 0.1
    PMD (individual fi ber) ps/km 0.2
    Maximum Cutoff Wavelength nm 1260
    Cladding Diameter um 125±1
    Core/Cladding Concentricity Error um ≤0.5
    Cladding Non Circularity % ≤1
    Coating Non Circularity % ≤6
    Proof Test Level Kpsi (GN/m2) 100 (0.7)
    Crush Resistance N/cm 450
    Maximum Laying Tension N 3000

Mechanical and Thermal Properties :

  • Minimum Bending Radius : 310mm.
  • Temperature Range : -40°C to +70°C (during operation); -10°C +70°C (during installation).

Dimensions and Weight :

 

Cable Code No. of fibres Nominal Sheath
Thickness
mm
Nominal Overall
Diameter
mm
Nominal Weight
kg/km
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y 1-36 1.5 14.5 260
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y 48-72 1.5 16.5 300
RO2242-ML-C-9-Tn×Fn-SR-2Y(STA)2Y 80-144 1.5 22.0 510

   Tn: Number of tubes;    Fn: Number of fi bers in a tube

 

 

 
UV Resistant
Water Resistant
 
Buried in Ciround
Laid In Ducts
Zero Halogen
IEC 60754-1/NF C20-454
EN 50267-2-1