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| No. | Elements | Unit | Specification | |
| G.652D | ||||
| 1 | Lining diameter | μm | 125±0.7 | |
| 2 | Core cladding concentricity | μm | ≤0.5 | |
| 3 | Non-circular coating | % | ≤0.7 | |
| 4 | Lining diameter | μm | 245±5 | |
| 5 | Concentricity of coating | μm |
| |
| 6 | Mode field diameter | 1310nm | μm | 9.2±0.4 |
| 1550nm | μm | 10.4±0.5 | ||
| 7 | Fiber cutoff wavelength | nm | λcc≤1260 | |
| 8 | Attenuation (max.) | 1310nm | dB/km | ≤0.4 |
| 1550nm | ≤0.3 | |||
The 250 µm fibers are placed in a loose, high-modulus plastic tube.
The tubes are filled with a water-resistant filling compound.
A steel wire, sometimes coated with polyethylene (PE) for cables with a high number of fibers, is located in the center of the core as a metallic strength member.
The tubes (and fillers) are twisted around the reinforcing member into a compact, circular cable core.
An aluminum polyethylene laminate (APL) is applied around the cable core, which is then filled with the filler compound.
Protect it from water ingress.
Next, the cable core is covered with a thin inner PE sheath.
After the PSP is applied longitudinally over the inner sheath, the cable is completed with an outer PE sheath.
1. Good mechanical and temperature performance.
2. High-strength loose tube that is resistant to hydrolysis
3. The special tube filling compound ensures critical fiber protection
4. Crush resistance and flexibility
5. The following measures are taken to ensure the cable's watertightness:
— Steel wire used as a central strength member
— Loose tube filling compound
— 100% cable core filling
— APL moisture barrier
— PSP improved moisture resistance
— Material that blocks water
Adopted for outdoor distribution fiber optic cable system.
Suitable for overhead conduit pipes, direct buried installation for anchoring method
Local and wide area network (LAN) communication system.





Mr. Herry
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