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CST Fibre Optic Cable Uni Tube Armoured 4 Core to 24 Core
CST fibre optic cable has a protection layer of corrugated steel tape armour around the uni-tube of optical fibre. Fibre from 4 core and up to 288 cores for different structures.
Description
HOC uni-tube loose tube CST cable 4 core to 24 core optical fibres are all placed in a fibre jelly filled loose tube. Around the central uni-tube, water-blocking material fibre glass yarn and strength member of corrugated steel tape (CST) wrap the loose tube as a strengthened cable core. Outside, an PE or LSZH black sheath is finished around all loose tube and armour materials.
All optical fibre and jacket colour for choose and customize, different CST cable structures from 4 fibre, 12 fibre, 24 fibre, 48 fibre to 96 fibre, 144 fibre and 288 fibre. Cable sheath printing includes length marking and other information.
Application
Duct, Direct burial, Backbone communication cabling
Features
- Corrugated steel tape as armoured cable armouring
- Low cost and small uni-tube diameter for easy installation
- Water blocking materials and hyfrolysis resistant high strength loose tube
- Excellent crush and tensile pressure resistance
- Good mechanical and temperature characteristics
- Long delievery length
- Choices for optical fibre and fibre count
- Perfect for outdoor harsh environment
- Customize on cable sheath materials PE, LSZH, Flame-Retardant…
Optical Characteristics
| Optical Characteristics | G.652 | G.655 | 50/125μm | 62.5/125μm | |
|---|---|---|---|---|---|
| Attenuation (+20℃) | @850nm | ≤3.0 dB/km | ≤3.0 dB/km | ||
| @1300nm | ≤1.0 dB/km | ≤1.0 dB/km | |||
| @1310nm | ≤0.36 dB/km | ≤0.40 dB/km | @1310nm | ||
| @1550nm | ≤0.22 dB/km | ≤0.23dB/km | |||
| Bandwidth | @850nm | ≥600 MHz·km | ≥200 MHz·km | ||
| @1300nm | ≥1200 MHz·km | ≥600 MHz·km | |||
| Numerical Aperture | 0.200±0.015 NA | 0.275±0.015 NA | |||
| Cable Cut-off Wavelength λcc | ≤1260nm | ≤1450nm |
Technical Parameters
| Fiber Count | Loose Tube Structure | Fibre per Tube | Loose Tube Diameter (mm) | CSM / pad Diameter (mm) | Outer Sheath Thickness (mm) | Cable Diameter (mm) | Cable Weight (kg/km) | Tensile Strength Short Term (N) | Crush Short Term (N) |
|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 4 | 2.4±0.1 | - | 1.5±0.1 | 8.1±0.5 | 82 | 1100N | 1000N |
| 8 | 1 | 8 | 2.4±0.1 | - | 1.5±0.1 | 8.1±0.5 | 82 | ||
| 12 | 1 | 12 | 2.4±0.1 | - | 1.5±0.1 | 8.1±0.5 | 82 | ||
| 24 | 1 | 24 | 3.2±0.1 | - | 1.5±0.1 | 8.7±0.5 | 91 | ||
| 48 | 1+6 | 12 | 2.0±0.1 | 2.3/2.3 | 1.6±0.1 | 12.2±0.5 | 166 | 2600N | 1000N |
| 96 | 1+8 | 12 | 2.0±0.1 | 3.4/3.4 | 1.6±0.1 | 13.1±0.5 | 192 | ||
| 144 | 1+12 | 12 | 2.0±0.1 | 3.4/6.3 | 1.6±0.1 | 15.9±0.5 | 263 | ||
| 288 | 1+9+5 | 12 | 2.0±0.1 | 3.0/4.2 | 1.6±0.1 | 17.8±0.5 | 318 |
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