Sun Telecom's SUN-DC240 FTTH drop cable construction is that the optical fiber unit is positioned in the centre; Two parallel strength members are placed at the two sides; A steel wire as the additional strength member is also applied; The cable is completed with a LSZH sheath.
Cable Construction


Features
- Good crush resistance ensured by parallel strength member
- Good tensile strength ensured by single steel wire
- Low smoke, zero halogen sheath
- Simple structure, light weight and high practicability
Applications
- Access network
Standards
Sun Telecom's SUN-DC240 FTTH drop cable complies with standard YD/T1997.1-2014 and IEC60794-3
Fiber Optical Characteristics
| Parameters | Specification | |
| Fiber Type | SM G.657A1 | |
| Mode-field Diameter (um) | 8.6~9.2±0.4 (1310nm) | |
| Cladding Diameter (um) | 125±0.7 | |
| Coating Diameter (um) | 245±10 | |
| Core-Cladding Concentricity (um) | ≤0.5 | |
| Cladding Non-circularity (%) | ≤1.0 | |
| Cable Cut-off Wavelength (nm) | ≤1260 | |
| Fiber Attenuation (dB/km) | ≤0.35 (1310nm) | |
| ≤0.21 (1550nm) | ||
| Fiber Macro bending Loss (dB) | 10mm radius, 1 turn | ≤0.75 (1550nm) |
| 15mm radius, 10 turns | ≤0.25 (1550nm) | |
Cable Specifications
| Parameters | Specifications | |||
| Fiber Core | 1 | 2 | 4 | |
| Cable Dimension (mm) | (2.0±0.1) × (5.0±0.1) | |||
| Cable Weight (kg/km) | 20 | 20.5 | 22 | |
| Tensile Strength (N) | Short Term | 600 | ||
| Long Term | 300 | |||
| Crush Resistance (N/100mm) | Short Term | 2200 | ||
| Long Term | 1000 | |||
| Bending Radius (mm) | Dynamic | 60 | ||
| Static | 30 | |||
| Cable Attenuation (After Cable) (dB/km) | SM Fiber @1310nm | ≤0.4 | ||
| SM Fiber @1550nm | ≤0.3 | |||
| Operating Temperature (°C) | -20 ~ +60 | |||
| Storage Temperature (°C) | -20 ~ +60 | |||
Ordering Information

Example: SUN-DC240-1FW
FTTH drop cable (GJYXFCH), bow-type, FRP strength members, with a wire self-supporting, LSZH jacket (black); 1 fiber, G657A1










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