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ST2513/CT2243 Outdoor Single Mode Unarmoured Trackside Optical Fiber Cables

 

Application:

The cables are designed for long distance telecom links on optical fibres along railway tracks. The cables are suitable for pulled through ducts or laid in channels.

Standards:

SNCF ST 2513-99

Construction:

ST2513/CT2243 Outdoor Single Mode Unarmoured Trackside Optical Fiber Cables

Fibres

Singlemode optical fibres G652 coloured (6 or 12 per tube).

Tube

PBT polyester tubes From 12 to 72 OFs: 1 to 6 tubes; 144 OFs: 12 tubes.

Central Strength Member

Non-metallic central reinforcement (FRP).

Filling

Petroleum jelly + water-swelling yarns.

Reinforcement

Water-swelling aramid fi bres.

Sheath

PE sheath.

Electrical Characteristics at 20℃:

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 300
Maximum Laying Tension N From 12 to 72 FO: 2500;144 FO: 3000

Mechanical and Thermal Properties:

Minimum Bending Radius: from 12 to 72 FO: 230mm; 144 FO: 340mm.

Temperature Range: -30℃ to +60℃ (during operation);

                                 -10℃ +60℃ (during installation)

Dimensions And Weight:

Cable Code No. of fi bres No of Tubes x No
of Fibers/Tube
Nominal Sheath
Thickness
mm
Nominal Overall
Diameter
mm
Nominal
Weight
kg/km
RO2513-ML-B-9-1×12-F-2Y 12 1 tubes of 12 OF 1.5 11.6 112
RO2513-ML-B-9-3×12-F-2Y 36 3 tubes of 12 OF 1.5 11.6 112
RO2513-ML-B-9-6×6-F-2Y 36 6 tubes of 6 OF 1.5 11.6 112
RO2513-ML-B-9-6×12-F-2Y 72 6 tubes of 12 OF 1.5 11.6 112
RO2513-ML-B-9-12×12-F-2Y 144 12 tubes of 12 OF 1.5 17.0 225