Railway Cables

Outdoor Single Mode Trackside Fiber Cables
NR/PS/TEL/00014

Application

The cables are fibre communications cable designed for use in high traffic and data rate requirements.

Standards

● NR/PS/TEL/00014 (formerly RT/E/PS/00014)

Construction

Fibre
Step Index Singlemode Fibres in accordance with ITU-T recommendation G.652.9/125 μm Fibre @ 1310nm &1550nm.

Fibre Carrier
PE.

Central Strength Member
Single continuous non-metallic.

Binding Tape
Polymeric loose tubes fi lled with water blocking material.

Inner Sheath
PE (Polyethylene) Type 03C to BS 6234 or LSZH Sheath.

Sheath
PE (Polyethylene) Type 03C to BS 6234 or LSZH sheath.

Optional

Armoured Cables: Corrugated steel tape armoured cables can be offered as an option.

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: 12×OD .
Temperature Range: -20℃ to +60℃ (during operation); -10℃ to +60℃ (during installation)

Dimensions And Weight

Unarmoured Single Mode Trackside Fiber Cables

Cable Code
No. of fi bres
Nominal Cladding
Thickness
μm
Nominal Sheath
Thickness
mm
Nominal
Overall
Diameter
mm
Nominal Weight
kg/km
Inner
Outer

RO14-ML-B-9-2×4-F-2Y2Y

8

125

1.6

2.0

12.0

110

RO14-ML-B-9-2×6-F-2Y2Y

12

125

1.6

2.0

12.0

110

RO14-ML-B-9-4×5-F-2Y2Y

20

125

1.6

2.0

12.0

110

RO14-ML-B-9-8×6-F-2Y2Y

48

125

1.6

2.0

12.6

120

RO14-ML-B-9-16×6-F-2Y2Y

96

125

1.6

2.0

14.0

150

Steel Tape Armoured Single Mode Trackside Fiber Cables



Cable Code
No. of fibres
Nominal Cladding
Thickness
μm
Nominal Sheath
Thickness
mm
Nominal
Overall
Diameter
mm
Nominal
Weight
kg/km
Inner
Outer

RO14-ML-B-9-2×4-F-2Y(STA)2Y

8

125

1.6

2.0

15.0

210

RO14-ML-B-9-2×6-F-2Y(STA)2Y

12

125

1.6

2.0

15.0

210

RO14-ML-B-9-4×5-F-2Y(STA)2Y

20

125

1.6

2.0

15.0

210

RO14-ML-B-9-8×6-F-2Y(STA)2Y

48

125

1.6

2.0

15.5

230

RO14-ML-B-9-16×6-F-2Y(STA)2Y

96

125

1.6

2.0

17.0

270