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| Place of Origin | CHINA |
| Brand Name | Dawnergy |
| Model Number | GYDAG |
1. General
2. Fiber characteristics
2.1 G.652D
2.1.1 Geometric characteristics
| Item | Construction | |
| Mode field diameter | At 1310nm | 9.2±0.5μm |
| Cladding diameter | 125±1.0μm | |
| Core concentricity error | ≤0.6μm | |
| Cladding non-circularity | ≤1.0% | |
| Cut-off wavelength (λcc) (for cable) | ≤1260nm | |
| Cut-off wavelength (λc) (for fiber) | 1180nm~1330nm | |
| Primary coating diameter | (Not included color layer) | 245±10μm |
| (Included color layer) | 250±15μm | |
| Coating-cladding concentricity error | ≤12.0μm | |
| Fiber curl radius | ≥4m | |
2.1.2 Transmission characteristics
| Item | Performance | |
| Attenuation | At 1310nm | ≤0.40dB/km |
| At 1550nm | ≤0.30dB/km | |
| Macro bending loss | Φ=60mm, 100turns at 1550nm&1625nm | ≤0.05dB |
| Φ=32mm, 1turn at 1550nm&1625nm | ≤0.05dB | |
| Chromatic dispersion | Within 1288~1339nm | ≤3.5ps/nm·km |
| At 1550nm | ≤18ps/nm·km | |
| Zero dispersion wavelength | 1300~1324nm | |
| Zero dispersion slope | ≤0.092ps/nm2·km | |
3.2 Dimension of the cable
| Amount of fiber | Fibers per ribbon | Ribbons per slot | Slot No. | *Nom. thickness of sheath | Diameter (Appr.) | Weight (Appr.) |
| mm | mm | Kg/km | ||||
| 144 | 6 | 4 | 6 | 1.8 | 15.0 | 183 |
| 288 | 6 | 6 | 8 | 1.8 | 18.3 | 256 |
*: The minimum thickness of the sheath shall be 1.5mm.
3.3 Performance
| NO | ITEM | TEST METHOD | SPECIFICATION |
| 1 |
Tensile performance IEC60794-1-21-E1 |
-Short-term load: 2700N
- Time: 5 minute |
Loss change £ 0.10 dB@1550 nm (after test) - No sheath damage |
| 2 |
Crush test IEC60794-1-21-E3 |
- Load: 1000 N /100mm - Time: 5 minute - Length: 100 mm |
Loss change £ 0.10 dB@1550 nm (after test) - No sheath damage |
| 3 |
Impact test IEC60794-1-21-E4 |
- Impact hight:1m - Impact weight:450g - Points of impact: 3 - Times of per point: 2 - Curvature radius: 300mm |
Loss change £ 0.10 dB@1550 nm (after test) - No sheath damage |
| 4 |
Repeated bending IEC60794-1-21-E6 |
- Bending radius.: 20 × D - Load: 150N - Flexing rate: 2sec/cycle - No. of cycle: 25 |
- No fiber break - No sheath damage |
| 5 |
Water penetration IEC60794-1-22-F5 |
- Height of water: 1m - Sample length: 3 m - Time: 24 hr |
- No drip through the cable core assembly |
| 6 |
Twist IEC60794-1-21-E7 |
- Length: 1 m - Load: 150N - Twist rate: ≤60sec/cycle - Twist angle: ±180° - No. of cycle: 5 |
Loss change £ 0.10 dB@1550 nm (after test) - No sheath damage |
| 7 |
Temperature Cycling IEC60794-1-22-F1 |
- Temperature step: +20oC→-20oC→+70oC→+20oC - Number of cycle: 2 turns - Time per each step: 12 hrs |
- Loss change £ 0.15dB/km@1550 nm (during test) - Loss change £ 0.05dB/km@1550 nm (after test) - No sheath damage |
D*: Cable diameter
3.4 Coding
Ribbon identification
| Fiber Count | Slot No. | Ribbon No. | Fiber No. | |||||||
| No.1 | No.2 | No.3 | No.4 | No.3 | No.4 | |||||
| 144 | 1-6 | 1 | Blue | White | White | White | White | Pink | ||
| 2 | Orange | White | White | White | White | Pink | ||||
| 3 | Green | White | White | White | White | Pink | ||||
| 4 | Brown | White | White | White | White | Pink | ||||
| Fiber Count | Slot No. | Ribbon No. | Fiber No. | |||||||
| No.1 | No.2 | No.3 | No.4 | No.3 | No.4 | |||||
| 288 | 1-8 | 1 | Blue | White | White | White | White | Pink | ||
| 2 | Orange | White | White | White | White | Pink | ||||
| 3 | Green | White | White | White | White | Pink | ||||
| 4 | Brown | White | White | White | White | Pink | ||||
| 5 | Grey | White | White | White | White | Pink | ||||
| 6 | White | White | White | White | White | Pink | ||||
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