The cross-section of GYTC8S/GYXTC8S Cable's is in the shape of "8". The steel strand is suspended, and the double-sided plastic-coated corrugated steel belt forms excellent flattening resistance. With self-supporting overhead steel strand, much installation time and cost is saved.
As one of the professional optical fibre manufacturing companies, TUOLIMA has been manufacturing fiber optic cable including gytc8s or gyxtc8s cable for over 10 years with ISO, UL, RoHS, REACH certificates. The reliable quality of TUOLIMA products has won its popularity across five continents and the spread is growing. You can check the details of our GYTC8S / GYXTC8S Fiber Optic Cable on this page. Or you can consult us directly, if you have any questions about TUOLIMA GYTC8S / GYXTC8S Fiber Optic Cable.
The structure of the standard figure-eight self-supporting stranded optical cable is that multimode or single mode fiber optic cables are sheathed in a loose tube made of high modulus plastic, and the tube is filled with a water blocking compound. The center of the cable core is a metal reinforced core. For certain fiber optic cables, a layer of polyethylene needs to be squeezed outside the metal-reinforced core. The loose tube (and filler rope) is twisted around the central reinforced core to form a compact and Round cable core, the gap in the cable core is filled with water blocking filler. The cable core is longitudinally wrapped with steel-plastic composite tape, and placed in parallel with the steel strands while extruding a figure-eight sheath into a cable.
Item | Description | |
Fiber counts of cable | 8 | |
Loose tube | Material | PBT |
No. fiber per tube | 8 | |
No. of tube | 1 | |
Diameter(mm) | Nom. 2.0 | |
Filling compound Material | Thixotropic jelly | |
Suspension wire | Material | Metallic strengthen member |
Diameter | 1.0mm*7 | |
Approx. cable dia.(mm) | Approx.8.3 | |
Approx. overall(mm) | Approx.15.8 | |
Max. Tensile strength(N) | 3000 | |
Crush Resistance (N/100mm) | 7990 | |
Operating Temperature(℃) | 0 ~ +60 | |
Optical fiber characteristics (G.652D FIBER)
Category | Description | Specifications | |||
Before cabling | After cabling | ||||
Optical Specifications | Attenuation @1550 nm | ≤0.20 dB/km (max.) | ≤0.22 dB/km (max.) | ||
Attenuation @1625 nm | ≤0.23dB/km | ≤ 0.24 dB/km | |||
Zero Dispersion Wavelength | ≤1520 nm | ||||
Zero Dispersion Slope | ≤ 0.084 ps/nm2·km | ||||
Polarization Mode Dispersion(PMD) | ≤0.08 ps/km | ||||
Cable Cutoff Wavelength (λcc) | ≤1450 nm | ||||
Macro bending Loss (1 turn; Ф32 mm) @1550 nm (100 turns; Ф60 mm) @1625 nm (100 turns; Ф50 mm) @1310 &@1625 nm | ≤ 0.05 dB ≤ 0.05 dB ≤0.05 dB | ||||
Mode Field Diameter | @1550 nm | 9.6±0.5μm | |||
Dimensional Specifications | Cladding Diameter | 124.8 ±0.7μm | |||
Core/clad concentricity error | ≤0.6μm | ||||
Cladding Non-Circularity | ≤1.0% | ||||
Mechanical Specifications | Min bending radius | 12.5D (static) | 25D (dynamic) | ||
Proof Test level | ≥1.2% | ||||
Fiber Curl Radius | ≥4.0m | ||||
Peak Coating Strip Force | 0.9~6.8N | ||||
No | Item | Test standard | Method | Acceptance criteria |
1 | Tensile test | IEC-60794-1-E1 | Max. Tensile strength Sample length:50 meters Time: 1minutes; | -Fiber strain at maximum Load: max. 0.33% -Attenuation increase≤0.10dB |
2 | Crush test | IEC-60794-1-E3 | Load:1000N Time: 1 minutes Length: 100mm | -No splits or cracks in the outer jacket; -Attenuation increase<0.10dB, |
3 | Impact test | IEC-60794-1-E4 | Impact energy: 450g Height:1 meter Impact points: min.1 Number of impacts: 5 | -No splits or cracks in the outer jacket -Attenuation increase≤0.10dB |
4 | Repeated bending | IEC-60794-1-E6 | R=20×cable outer diameter 1m cable length with 150N weight,30 cycles | - No splits or cracks in the outer jacket -Attenuation increase ≤0.10dB |
5 | Torsion test | IEC-60794-1-E7 | 1m cable length with 150N weight ±180 degrees, 10 cycles | - No splits or cracks in the outer jacket -Attenuation increase ≤0.10B |
6 | Bending test | IEC-60794-1-E11 | Diameter of mandrel: 20×D Number of turns/helix:10 Number of cycles: 5 | - No splits or cracks in the outer jacket - No fiber break |
7 | Temperature cycling test | IEC-60794-1-F1 | Temperature step: +20℃→0℃→+60℃→0℃→ +60℃→+20℃ Time per each step: 12 hrs Number of cycles: 2 cycles | -Attenuation variation for reference value(the attenuation to be measured before test at +20±3℃) ≤0.10dB, |
8 | Water penetration test | IEC-60794-1-F5 | Water height: 1m Sample length:3m Duration of test: 24hrs | -No water leakage at the end of the sample |
9 | Drip test | IEC-60794-1-E14 | Five 0.3m samples suspended vertically in a climate chamber, raised temperature to +70℃ | -No filling compound shall drip from tubes after 24 hr |
Use high-quality optical fiber to ensure that the optical cable has excellent transmission performance
Accurately control the excess length of the outdoor fiber optic cable to ensure that the optical cable has excellent mechanical and high/low-temperature characteristics
Full-section water-blocking structure to ensure good water-blocking and moisture-proof performance
The loose tube is filled with special grease to protect the optical fiber critically
The longitudinally clad steel tape strengthens the resistance to lateral pressure of the optical cable
Packing material: Non-returnable wooden drum.
Both ends of cable are securely fastened to drum and sealed with a shrinkable cap to prevent ingress of moisture.
Cable printing: The sequential number of the cable length shall be marked on the outer sheath of the cable at an interval of 1meter ± 1%.
The following information shall be marked on the outer sheath of the cable at an interval of about 1 meter.
Cable type and number of optical fiber
Manufacturer name
Month and Year of Manufacture
Cable length
Drum marking: Each side of every wooden drum shall be permanently marked in a minimum of 2.5~3 cm high lettering with following:
Manufacture name and logo
Cable length
Cable type and number of fibers
Roll way
Gross and net weight
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