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Figure 8 Cable
NEWSUN
28
Outdoor 8-Shape Fiber Optic Cable
This cable features a unique 8-shape design with two optical fibers, which significantly improves its tensile strength and allows for a smaller bending radius. This makes it easier to install in tight spaces while maintaining signal integrity.
The 8-shape structure distributes tension evenly, making it ideal for overhead installations where high strength is needed. Its compact design also minimizes signal loss during bending.
Available with different jacket types like GYTA53 (double-layer) or GYTA33 (single-layer), it can be customized for specific protection needs. The cable includes waterproof compounds and moisture-resistant layers (like aluminum-coated plastic tape) for reliable performance in wet conditions.
Ideal for urban areas (direct burial or conduit installation), highways, and rural/mountainous overhead applications, ensuring long-term signal stability.
Technical Advantages
High-Tensile Design: Stranded steel wire provides exceptional strength for self-supporting overhead installations, significantly reducing installation costs
Durable Performance: Excellent mechanical robustness and temperature stability
Robust Loose Tubes: Constructed with hydrolysis-resistant material for enhanced longevity
Fiber Protection System: Specialized filling compound ensures critical safeguarding of optical fibers
Comprehensive Waterproofing: Achieved through multiple protective layers:
Steel wire central strength member
Loose tube filling compound
100% core filling with water-blocking materials
APL (Aluminum-plastic laminate) moisture barrier
Compliance Certification
GYTC8A cable meets the requirements of YD/T 1155 and IEC 60794-1 industry standards.
1. Stranded Wires
2. PE Sheath
3. Fibre
4. Tube Filling Compound
5. Loose Tube
6. Cable Filling Compound
7. Central Strength Member
8. APL
9. PE Sheath

Outdoor 8-Shape Fiber Optic Cable
This cable features a unique 8-shape design with two optical fibers, which significantly improves its tensile strength and allows for a smaller bending radius. This makes it easier to install in tight spaces while maintaining signal integrity.
The 8-shape structure distributes tension evenly, making it ideal for overhead installations where high strength is needed. Its compact design also minimizes signal loss during bending.
Available with different jacket types like GYTA53 (double-layer) or GYTA33 (single-layer), it can be customized for specific protection needs. The cable includes waterproof compounds and moisture-resistant layers (like aluminum-coated plastic tape) for reliable performance in wet conditions.
Ideal for urban areas (direct burial or conduit installation), highways, and rural/mountainous overhead applications, ensuring long-term signal stability.
Technical Advantages
High-Tensile Design: Stranded steel wire provides exceptional strength for self-supporting overhead installations, significantly reducing installation costs
Durable Performance: Excellent mechanical robustness and temperature stability
Robust Loose Tubes: Constructed with hydrolysis-resistant material for enhanced longevity
Fiber Protection System: Specialized filling compound ensures critical safeguarding of optical fibers
Comprehensive Waterproofing: Achieved through multiple protective layers:
Steel wire central strength member
Loose tube filling compound
100% core filling with water-blocking materials
APL (Aluminum-plastic laminate) moisture barrier
Compliance Certification
GYTC8A cable meets the requirements of YD/T 1155 and IEC 60794-1 industry standards.
1. Stranded Wires
2. PE Sheath
3. Fibre
4. Tube Filling Compound
5. Loose Tube
6. Cable Filling Compound
7. Central Strength Member
8. APL
9. PE Sheath

Cable Type (Increased by 2 fibres) | Fibre Count | Tubes | Fillers | Cable Weight (Ref) (kg/km) | Tensile Strength Long/Short Term (N) | Crush Resistance Long/Short Term (N/100mm) | Bending Radius Static/Dynamic (mm) |
GYTC8A-2~6Xn | 2~6 | 1 | 4 | 158 | According to the messenger wire steel wire diameter | 300/1000 | 10D/20D |
GYTC8A-8~12Xn | 8~12 | 2 | 3 | 158 | |||
GYTC8A-14~18Xn | 14~18 | 3 | 2 | 158 | |||
GYTC8A-20~24Xn | 20~24 | 4 | 1 | 158 | |||
GYTC8A-26~30Xn | 26~30 | 5 | 0 | 158 | |||
GYTC8A-32~36Xn | 32~36 | 6 | 0 | 167 | |||
GYTC8A-38~48Xn | 38~48 | 4 | 1 | 172 | |||
GYTC8A-50~60Xn | 50~60 | 5 | 0 | 172 |
Storage/Operating Temperature: -40℃-+70℃
Fibre Type | Attenuation (+20℃) | Bandwidth | Numerical Aperture | Cable Cut-off Wavelength λcc | ||||
@850nm | @1300nm | @1310nm | @1550nm | @850nm | @1300nm | |||
G.652 | --- | --- | ≤0.36dB/km | ≤0.22dB/km | --- | --- | --- | ≤1260nm |
G.655 | --- | --- | ≤0.40dB/km | ≤0.23dB/km | --- | --- | --- | ≤1450nm |
50/125µm | ≤3.3dB/km | ≤1.2dB/km | --- | --- | ≥500MHz·km | ≥500MHz·km | 0.200±0.015 NA | --- |
62.5/125µm | ≤3.5dB/km | ≤1.2dB/km | --- | --- | ≥200MHz·km | ≥500MHz·km | 0.275±0.015 NA | --- |
Note:
a. Suffix Xn denotes fibre type
b. The colour arrangements of fibre and tube are specified in the colour identification table
c. The cable shouldn't store in outdoor environment more than 6 months in order to keep the cable reel good state
Cable Type (Increased by 2 fibres) | Fibre Count | Tubes | Fillers | Cable Weight (Ref) (kg/km) | Tensile Strength Long/Short Term (N) | Crush Resistance Long/Short Term (N/100mm) | Bending Radius Static/Dynamic (mm) |
GYTC8A-2~6Xn | 2~6 | 1 | 4 | 158 | According to the messenger wire steel wire diameter | 300/1000 | 10D/20D |
GYTC8A-8~12Xn | 8~12 | 2 | 3 | 158 | |||
GYTC8A-14~18Xn | 14~18 | 3 | 2 | 158 | |||
GYTC8A-20~24Xn | 20~24 | 4 | 1 | 158 | |||
GYTC8A-26~30Xn | 26~30 | 5 | 0 | 158 | |||
GYTC8A-32~36Xn | 32~36 | 6 | 0 | 167 | |||
GYTC8A-38~48Xn | 38~48 | 4 | 1 | 172 | |||
GYTC8A-50~60Xn | 50~60 | 5 | 0 | 172 |
Storage/Operating Temperature: -40℃-+70℃
Fibre Type | Attenuation (+20℃) | Bandwidth | Numerical Aperture | Cable Cut-off Wavelength λcc | ||||
@850nm | @1300nm | @1310nm | @1550nm | @850nm | @1300nm | |||
G.652 | --- | --- | ≤0.36dB/km | ≤0.22dB/km | --- | --- | --- | ≤1260nm |
G.655 | --- | --- | ≤0.40dB/km | ≤0.23dB/km | --- | --- | --- | ≤1450nm |
50/125µm | ≤3.3dB/km | ≤1.2dB/km | --- | --- | ≥500MHz·km | ≥500MHz·km | 0.200±0.015 NA | --- |
62.5/125µm | ≤3.5dB/km | ≤1.2dB/km | --- | --- | ≥200MHz·km | ≥500MHz·km | 0.275±0.015 NA | --- |
Note:
a. Suffix Xn denotes fibre type
b. The colour arrangements of fibre and tube are specified in the colour identification table
c. The cable shouldn't store in outdoor environment more than 6 months in order to keep the cable reel good state
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