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figure 8 optical cable is an outdoor self-supporting cable, named for its figure-eight structure, suitable for long-distance and inter-office communications. It is composed of fiber optic loose tubes and a metallic central strength member, with SZ layer-stranded cable cores filled with oil grease, double-sided plastic-coated steel tapes bonded to a PE sheath, and steel strands serving as self-supporting elements, meeting extremely high tensile strength requirements.
·Product features
• steel wire strand has extremely high tensile strength, which facilitates self-supporting overhead laying and reduces installation cost
• excellent mechanical properties and temperature characteristics
• the loose casing material itself has good water resistance and high strength
• the tube is filled with special ointment, which provides critical protection for the optical fiber
• adopt the following measures to ensure the waterproof performance of optical cables
• loose sleeve filled with special waterproof compounds
• full section filling of cable core
• double-sided coated plastic steel belt (PSP) moisture-proof layer
·Product standards
| 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 |
|
|
| @1550nm | ≤0.22 dB/km | ≤0.23dB/km |
|
|
Bandwidth (Class A) | @850nm |
|
| ≥500 MHz·km | ≥200 MHz·km |
| @1300nm |
|
| ≥1000 MHz·km | ≥600 MHz·km |
Numerical Aperture |
|
| 0.200±0.015NA | 0.275±0.015NA | |
Cable Cut-off Wavelength λcc | ≤1260nm | ≤1480nm |
|
| |
Technical Parameters
Cable Type | Fiber Count | Tubes | Fillers | Cable Diameter mm | Cable Weight kg/km | Tensile Strength Long/Short Term N | Crush Resistance Long/Short Term N/100mm | Bending Radius Static/Dynamic mm |
GYTC8A-2~6芯 | 2~6 | 1 | 4 | 9.5×18.3 | 218 | 600/1500 | 300/1000 | 10D/20D |
GYTC8A-8~12芯 | 8~12 | 2 | 3 | 9.5×18.3 | 218 | 600/1500 | 300/1000 | 10D/20D |
GYTC8A-14~18芯 | 14~18 | 3 | 2 | 9.5×18.3 | 218 | 600/1500 | 300/1000 | 10D/20D |
GYTC8A -20~24芯 | 20~24 | 4 | 1 | 9.5×18.3 | 218 | 600/1500 | 300/1000 | 10D/20D |
GYTC8A-26~30芯 | 26~30 | 5 | 0 | 9.5×18.3 | 218 | 600/1500 | 300/1000 | 10D/20D |
Storage/Operating Temperature : -40℃ to + 70℃
Package size(4cores): 3km/Roll, roll size: 90*90*80mm,weight:340kg. pole distance:100m
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