• Model：G655C for DWDM
• Standard： Complies with or exceed the technical specifications in ITU-T G.655 & IEC B4.
• Feature：Compliant with the requirements of 10-40Gb/s transmission system at C and L band.Fully compliant with system transmission requirements for its low attenuation, dispersion, PMD and zero-Dispersion slope.Low bending loss at 1550nm and the more sensitive 1625nm window.
• Application：high bit-rate, single/multi-channel, long distance digital transmission system; suitable for all optical cable constructions, including ribbon, loose tube stranded, slotted core, central tube, tight buffered designs.
Technical Parameter
| Fiber Property | Main Indexes | Technical Parameter | |
|---|---|---|---|
| Geometrical Dimensions | Cladding diameter | 125.0±0.7um | |
| Cladding non-circularity | ≤1% | ||
| Coating diameter | 245±7 um | ||
| Coating/cladding non-concentricity error | ≤12 um | ||
| Coating non-circularity | ≤6% | ||
| Core/cladding concentricity error | ≤0.6 um | ||
| Fiber curl (radius) | ≥4 m | ||
| Optical Characteristics | |||
| MFD(1550nm) | 9.1±10.1 um | ||
| Attenuation at 1550nm | ≤0.22 dB/km | ||
| Attenuation at 1625nm | ≤0.24 dB/km | ||
| Max. attenuation at 1525-1575nm, compared to that at 1550nm | ≤0.02 dB/km | ||
| Attenuation discontinuity at 1550nm | ≤0.05 dB | ||
| PMD | ≤0.2 ps/(km1/2) | ||
| PMDq | ≤0.1 ps/(km1/2) | ||
| Zero-dispersion wavelength | ≤1520 nm | ||
| dispersion slope | ≤0.084 ps/(nm2.km) | ||
| 1530～1565nm | ≥2,≤6 ps/(nm.km) | ||
| 1565～1625nm | ≥4.5,≤11.2 ps/(nm.km) | ||
| Cable cutoff wavelength λc | ≤1450 nm | ||
| Mechanical Property | Prooftest level | 1% | |
| Dynamic fatigue | ≥20 | ||
| Coating strip force | Average value | 1.5 N | |
| Peak value | 1.3-8.9 N | ||
| Environmental Property | Temperature attenuation (-60℃-±85℃, two cycles, at 1550nm) | ≤0.05 dB/km | |
| Temperature-humidity cycling attenuation (85±2℃, relative humidity≥85%, 30 days, at 1550nm) | ≤0.05 dB/km | ||
| Water immersion attenuation (23±5℃, 30 days, 1550nm) | ≤0.05 dB/km | ||
| Dry heat aging attenuation (85±2℃，relative humidity 50%, 30 days, 1550nm) | ≤0.05 dB/km | ||
| Bending Property | 1 turnΦ32mm 1550nm | ≤0.05 dB | |
| 100 turnsΦ50mm 1310nm | ≤0.05 dB | ||
| 100 turnsΦ50mm 1550nm | ≤0.05 dB | ||
| 100 turnsΦ60mm 1625nm | ≤0.05 dB |
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