 |
||||||||||
 |
Railway Cables |  |
||||||||
|
||||||||||
|
||||||||||
Outdoor Single Mode Trackside Fiber Cables
NR/PS/TEL/00014
Application
Outdoor Single Mode Trackside Fiber Cables are fibre communications cable designed for use in high traffic
and data rate requirements.
Reference 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.
Water blocking: Water blocking material.
Separator: PET (Polyester Tape).
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 |
Note: The parameters listed above are nominal values as per cable standards. Actual values may vary due to material and manufacturing process variations. For precise specifications or customized requirements, please contact us for further information