What Is Stranded Loose Tube No-metallic Strength Member Double Armored Cable GYFTA53?
Stranded Loose Tube No-metallic Strength Member Armored Cable positioned between CO and first DP in FTTX network. Used as mainline cable which environment is in Buried ,Aerial, under earth Pipes, Poles etc.
- Stranded Loose Tube No-metallic Strength Member Armored Cable – GYFTA53
- Fibers Count : 2-144 Fibers
- Cable OD(mm) : 16.8-22.3
- Weight(Kg/km) : 255-415
- Tensile Strength Long Term/Short Term(N/1m) : 1000/3000
The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a waterresistant filling compound. A Fiber Reinforced Plastic (FRP) locates in the center of core as a non-metallic strength member. The tubes (and fillers) are stranded around the strength member into a compact and circular core. Then the cable core is covered with a thin polyethylene (PE) inner sheath, which is filled with jelly to protect it from water ingress.A layer of water-blocking material is applied around the cable core to prevent water ingress all the same. After a corrugated steel tape armor is applied, the cable is completed with a a PE outer sheath
|Part No.||Fibers||Tubes||Cable OD|
|Weight Kg/km||Tensile strength Long term/short|
|Crush resistance Long term/short|
|Bending Radius Static/Dynamic|
Standard color of fiber and tube
The color code of the tubes and the individual fibers, shall be in accordance with the table as below:
Standard Reel Length: 2000m; OEM Package is available Once request.
Characteristics Stranded Loose Tube No-metallic Strength Member Armored Cable:
- High tensile strength of stranded wires meet the requirement of self-supporting and reduce the installation cost.
- Good mechanical and temperature performance
- High strength loose tube that is hydrolysis resistant
- Special tube filling compound ensure a critical protection of fiber
- The following measures are taken to ensure the cable watertight:
- Steel wire used as the central strength member
- Loose tube filling compound
- 100% cable core filling
Optical fiber technical parameters-SMF:
|Attenuation||dB/km||1310nm≤0.4 ； 1550nm≤0.3|
|Dispersion||Ps/nm. km||1285~1330nm≤3.5， 1550nm≤18.0|
|Zero dispersion wavelength||Nm||1300~1324|
|Zero dispersion slope||Ps/nm. km||≤0.095|
|Fiber cutoff wavelength||Nm||≤1260|
|Mode field diameter||Um||9.2±0.5|
|Mode field concentricity||Um||≤0.8|
|Coating/cladding concentricity error||Um||≤12.5|
|Bending, dependence induced attenuation||1550nm, 1turns,32mm diameter 100rums,60mm diameter||≤0.5 dB|
ITU recommendation G.657 specifies two classes of single-mode bend insensitive fiber patch ca- bles: G.657 A and G.657 B. Each category (A and B) is then divided into two sub-categories: G.657.A1, G.657.A2 and G.657.B1, G.657.B2. The minimum bend radius of G.657.A1 fibers is 10 mm, of the G.657.A2 and G.657.B1 fibers is 7.5 mm and of the G.657.B2 fibers is 5 mm. Among, ITU-T G.657.A1 and ITU-T G.657.A2 fibers are fully compliant with ITU-T G.652.D fibers.
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