Applications : | These optical fibre cables are fire resistant, flame retardant, low smoke and halogen free, used for instrumentation, data and communication systems. |
Standards : | IEC 60794 IEC 60811-2-1 IEC 60331-25 IEC 60332-3-24 IEC 60332-3-22 IEC 60754-1,2 IEC 61034-1,2 NEK 606:2004 |
Fibre Element : | Tight buffered fibres. |
Central Strength Element : | Fibre reinforced plastic (FRP) and/or aramid yarns. |
Bedding : | Halogen free and flame retardant thermoplastic compound. |
Armour : | Galvanized steel wire braid. |
Outer Sheath : | Halogen free and flame retardant, UV-stabilized, thermoplastic compound, SHF1. |
Electrical Characteristics :
Fibre Type | 9/125 | 50/125 | 50/125 | 62.5/125 | |
ITU-T type | G652.D | G651 | G651 | - | |
IEC11801 Classification | OS1 & OS2 | OM2 | OM3 | OM1 | |
Core Diameter | μm | 8.7±0.4 | 50±3.0 | 50±3.0 | 62.5±3.0 |
Cladding Diameter | μm | 125 ±1.0 | 125 ±2.0 | 125 ±2.0 | 125 ±2.0 |
Coating Diameter | μm | 245 ±10 | 245 ±10 | 245 ±10 | 245 ±10 |
Maximum Attenuation | |||||
@850 nm | dB/km | - | 3.0 | 3.0 | 3.5 |
@1300 nm | dB/km | - | 1.5 | 1.0 | 1.5 |
@1310 nm | dB/km | 0.36 | - | - | - |
@1550 nm | dB/km | 0.22 | - | - | - |
Minimum Bandwidth(OFL*) | |||||
@850 nm | MHz.km | - | 500 | 1500 | 200 |
@1300 nm | MHz.km | - | 500 | 500 | 600 |
Maximum Chromatic Dispersion | |||||
1285-1330 nm | ps/nm⋅km | 2.8 | - | - | - |
1550 nm | ps/nm⋅km | 18 | - | - | - |
Zero Dispersion Wavelength | nm | 1300~1324 | - | - | - |
Mechanical and Thermal Properties :
Bending Radius : 20×OD (during installation); 10×OD (fixed installed).
Temperature Range : -40℃ ~ +70℃.
Dimensions and Weight :
No. of Fibres | Secondary Coating mm | Nominal Overall Diameter mm | Nominal Weight kg/km |
2 | 0.9 | 7.8 | 100 |
4 | 0.9 | 8.2 | 110 |
8 | 0.9 | 9.4 | 125 |
12 | 0.9 | 10.3 | 145 |
24 | 0.9 | 12.0 | 185 |