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These steel armoured optical fibre cables are flame retardant, low smoke, halogen free and fire resistant, used for communication and emergency systems that need to be operational during fire.
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 606:2016
Fibre Element : Loose tube core design with fire barrier.
Central Strength Element : Steel wire or fibre reinforced plastic (FRP).
Water Blocking Element : Jelly filled tube with water blocking swellable tape and water blocking yarn.
Overall Fire Barrier
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.
| 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/nmkm | 2.8 | - | - | - |
| 1550 nm | ps/nmkm | 18 | - | - | - |
| Zero Dispersion Wavelength | nm | 1300~1324 | - | - | - |
Bending Radius : 20×OD (during installation); 10×OD (fixed installed)
Temperature Range : -40℃ ~ +70℃
| No. of Fibres | Construction No. of tubes × No. of fibres in each tube | Number of Fillers | Nominal Loose Tube Diameter | Nominal Overall Diameter | Nominal Weight |
|---|---|---|---|---|---|
| mm | mm | kg/km | |||
| 2 | 1×2 | 5 | 2.2 | 13.9 | 244 |
| 4 | 1×4 | 5 | 2.2 | 13.9 | 244 |
| 6 | 3×2 | 3 | 2.2 | 13.9 | 244 |
| 8 | 2×4 | 4 | 2.2 | 13.9 | 244 |
| 10 | 5×2 | 1 | 2.2 | 13.9 | 244 |
| 12 | 3×4 | 3 | 2.2 | 13.9 | 244 |
| 16 | 4×4 | 2 | 2.2 | 13.9 | 244 |
| 20 | 5×4 | 1 | 2.2 | 13.9 | 244 |
| 24 | 6×4 | 0 | 2.2 | 13.9 | 244 |
| 32 | 4×8 | 2 | 2.2 | 13.9 | 244 |
| 40 | 5×8 | 1 | 2.2 | 13.9 | 244 |
| 48 | 6×8 | 0 | 2.2 | 13.9 | 244 |
+852 6230 0392
Caledonian Cables
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