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FTTH Figure 8 Cable
FTTH Figure 8 Fiber Optic Cable—ideal for aerial installations. Featuring self-supporting design, low attenuation, and robust outdoor performance. Perfect for high-speed broadband deployments.
| Item | Contents | Unit | Value |
| Optical Fiber | / | / | 1/2/.... |
| Strength member | Material | / | KFRP |
| Diameter | mm | 0.5 | |
| Messenger wire | Diameter | mm | 1.1±0.1 |
| Material | / | galvanized steel wire | |
| Outer jacket | Dimension | mm | 5.1(±0.2)*2.0(±0.2) |
| Material | / | LSZH | |
| Color | / | Gray | |
| Tensile performance | Short term | N | 660 |
| Crush | Short term | N/100mm | 1000 |
| Cable weight (Approx.) | kg/km | 19 | |
- Parameters
| Item | Contents | Unit | Value |
| Optical Fiber | / | / | 1/2/.... |
| Strength member | Material | / | KFRP |
| Diameter | mm | 0.5 | |
| Messenger wire | Diameter | mm | 1.1±0.1 |
| Material | / | galvanized steel wire | |
| Outer jacket | Dimension | mm | 5.1(±0.2)*2.0(±0.2) |
| Material | / | LSZH | |
| Color | / | Gray | |
| Tensile performance | Short term | N | 660 |
| Crush | Short term | N/100mm | 1000 |
| Cable weight (Approx.) | kg/km | 19 | |
Product Type: FTTH Figure 8 Cable
2. Cable Specification
2.1 Introduction
The optical fiber unit is positioned in the center. Two parallel KFRP are placed at two sides. Low friction
LSZH outer sheath with messenger wire combined.
2.2 Fiber color code
| Fiber | 1 |
| Color | Blue |
2.3 Optical fiber type and properties
Item | Unit | G. 657A2 | ||
| before cable | after cable | |||
Mode field diameter | 1310nm | um | 8.6 ± 0.4 | |
| 1550nm | um | 10.4 ± 0.4 | ||
| Cladding diameter | um | 125.0 ± | ||
| Cladding non-circularity | % | 1.0 | ||
| Core concentricity error | um | ≤ 0.5 | ||
| Coating diameter | um | 245 ± 5 | ||
| Coating/cladding concentricity error | um | ≤12 | ||
| Cable cut-off wavelength | um | ≤ 1260 | ||
| Dispersion | 1310nm | ps/(nm·km) | ≤ 3.5 | |
| 1550nm | ps/(nm·km) | ≤ 18 | ||
| Attenuation Coefficient | 1310nm | dB/km | ≤ | ≤ 0.36 |
| 1383nm+/-3 | dB/km | ≤ | ≤ 0.36 | |
| 1550nm | dB/km | ≤ | ≤ 0.22 | |
| Proof stress level | kpsi | ≥100 | ||
| PMD (Polarization mode dispersion) | ps/√km | ≤ 0.1 | ||
| PMD link-value | ps/√km | ≤ | ||
Other parameters meet standard ITU-T G.657.
3. Characteristic of Optical Cable
3.1 Min. bending radius without messenger wire
Static: 20mm
Dynamic: 40mm
3.2 Application temperature range
Operation: - 20℃ ~ +70℃
Installation: -5℃ ~ +60℃
Storage/transportation: - 20℃ ~ +70℃
3.3 Main mechanical & environmental performance test
| Item | Test | Acceptance Condition |
Tensile Strength IEC 60794-1-2-E1 | - Load: Short term tension - Length of cable: ≥ 50m - Load time: 60min | - Fiber strain≤0.4% - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
Crush Test IEC 60794-1-2-E3 | - Load: Short term crush - Load time: 15min | - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
Impact Test IEC 60794-1-2-E4 | - Radius: 300 mm - Points of impact: 5 - Times of per point: 5 - Impact energy: 5J | - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
Repeated Bending IEC 60794-1-2-E6 | - Bending radius: 20 x OD - No. of cycle: 100 | - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
Torsion IEC 60794-1-2-E7 | - Length: 2m - Twist angle: ±180° - No. of cycle: 10 | - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
| Item | Test | Acceptance Condition |
Temperature Cycling IEC 60794-1-2-F1 | - Temperature: -15℃~+65℃ - Time of each step: 12h - Number of cycle: 2 | - Loss change ≤ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
Flame retardant IEC 60332-1 | - Pass the single cable vertical flame propagation test | |
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