Description
2F 6.5mm FTTA CPRI No armored cable is a soft unarmored type CPRI cable with a cable OD of 6.5mm. There are 2pcs of 2.0mm subunit cables and 2pcs of fill ropes in it. A ripcord is placed under the sheath. A TPU material sheath covers all units to form the final cable. The TPU material sheath offers excellent flexibility, durability, and resistance to abrasion, oil, chemicals, and UV radiation for the cable. So it’s a good choice for FTTA projects.
Cable structure and parameter
| Item | Contents | Unit | Value |
| Optical Fiber | model number | / | G657A1/G657A2/OM1/OM2/OM3/OM4 |
| number | / | 2 | |
| Color | / | nature | |
| Tight buffer | color | / | white |
| material | / | LSZH/PVC | |
| diameter | mm | 0.9±0.05 | |
| Sub-unit | Strength member | / | aramid fiber |
| Jacket color | / | blue/orange | |
| Jacket material | / | LSZH | |
| Number | / | 2 | |
| Diameter | mm | 2.0±0.1 | |
| Fill the rope | Strength member | / | Polyester yarn |
| color | / | White/Black | |
| material | / | LSZH | |
| Number | / | 2 | |
| Diameter | mm | 1.3±0.1 | |
| Outer jacket | Strength member | / | aramid fiber |
| Diameter | mm | 6.5±0.3 | |
| Material | / | TPU | |
| Color | / | Black | |
| Jacket thickness | mm | 1.0±0.1 |
Mechanical & Environmental Performance
| Item | Contents | Value |
| Tensile load | Short term | 900N fiber strain≤0.33％ |
| Long term | 400N | |
| Crush resistance | Short term | 1000 |
| Long term | 300 | |
| Min. bending radius | Installation | 25 x cable diameter |
| Operation | 12.5 x cable diameter | |
| Temperature range | Operation | -40℃ ~ +70℃ |
| Installation | -20℃ ~ +60℃ | |
| Storage/transportation | -40℃ ~ +70℃ |
Optical fiber technical parameters-SM
| Parameter | Conditions | Units | Value | |||
| G652D | G657A1 | G657A2 | G657B3 | |||
| Optical Specification | ||||||
| Attenuation | 1310 nm | dB/km | ≤0.350 | ≤0.350 | ≤0.350 | ≤0.350 |
| 1383 nm | dB/km | ≤0.330 | ≤0.350 | ≤0.350 | ≤0.350 | |
| 1550 nm | dB/km | ≤0.210 | ≤0.210 | ≤0.210 | ≤0.210 | |
| 1625 nm | dB/km | ≤0.240 | ≤0.230 | ≤0.230 | ≤0.230 | |
| Attenuation vs. Wavelength | 1310 nm VS. 1285-1330 nm | dB/km | ≤0.04 | ≤0.04 | ≤0.05 | ≤0.03 |
| 1550 nm VS. 1525-1575 nm | dB/km | ≤0.03 | ≤0.03 | ≤0.04 | ≤0.02 | |
| 1550 nm VS. 1480-1580 nm | dB/km | ≤0.04 | – | – | – | |
| Zero Dispersion Wavelength | \ | nm | 1300-1324 | 1300-1324 | 1300-1324 | 1300-1324 |
| Zero Dispersion Slope | ps/(nm2·km) | 0.073-0.092 | 0.073-0.092 | 0.073-0.092 | ≤0.092 | |
| Dispersion | 1550 nm | ps/(nm·km) | 13.3-18.6 | 13.3-18.6 | 13.3-18.6 | |
| 1625 nm | ps/(nm·km) | 17.2-23.7 | 17.2-23.7 | 17.2-23.7 | ||
| Polarization Mode Dispersion (PMD) | ps/√km | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | |
| Cut-off Wavelength λcc | – | nm | ≤1260 | ≤1260 | ≤1260 | ≤1260 |
| Mode Field Diameter (MFD) | 1310 nm | μm | 9.2±0.4 | 9.2±0.4 | 8.6±0.4 | 8.6±0.4 |
| 1550 nm | μm | 10.4±0.5 | 10.4±0.5 | 9.6±0.5 | 9.6±0.5 | |
| Attenuation Discontinuity | 1310 nm | dB | ≤0.03 | ≤0.03 | ≤0.03 | ≤0.03 |
| 1550 nm | dB | ≤0.03 | ≤0.03 | ≤0.03 | ≤0.03 | |
| Bidirectional Attenuation | 1310 nm | dB/km | ≤0.04 | ≤0.05 | ||
| 1550 nm | dB/km | ≤0.04 | ≤0.05 | |||
| Geometrical | ||||||
| Cladding Diameter | μm | 125±0.7 | 125±0.7 | 125±0.7 | 125±0.7 | |
| Cladding Non-Circularity | % | ≤1.0 | ≤1.0 | ≤0.8 | ≤0.7 | |
| Core/Cladding Concentricity Error | μm | ≤0.6 | ≤0.5 | ≤0.5 | ≤0.5 | |
| Coating Diameter (Uncolored) | μm | 242±7 (standard) | ||||
| μm | 200±10 (optional) | |||||
| Coating/Cladding Concentricity Error | μm | ≤12 | ≤12 | ≤12 | ≤12 | |
| Curl | m | ≥4 | ≥4 | ≥4 | ≥4 | |
| Environmental (1550nm, 1625nm) | ||||||
| Temperature Cycling | -60℃ to +85℃ | dB/km | ≤0.03 | ≤0.05 | ≤0.05 | ≤0.05 |
| High Temperature &
High Humidity |
85℃, 85% RH, 30days | dB/km | ≤0.03 | ≤0.05 | ≤0.05 | ≤0.05 |
| Water Immersion | 23℃, 30days | dB/km | ≤0.03 | ≤0.05 | ≤0.05 | ≤0.05 |
| High Temperature Aging | 85℃, 30days | dB/km | ≤0.03 | ≤0.05 | ≤0.05 | ≤0.05 |
Optical fiber technical parameters-MM
| Features | Conditions | unit | Value | ||||
| OM1 | OM2 | OM2+ | OM3 | OM4 | |||
| Optical Characteristics | |||||||
| Attenuation | 850nm | dB/km | ≤2.70~≤3.00 | ≤2.50 | ≤2.50 | ≤2.50 | ≤2.50 |
| 1300nm | dB/km | ≤0.60~≤1.00 | ≤0.70 | ≤0.70 | ≤0.70 | ≤0.70 | |
| Minimum Modal Bandwidth | 850nm | MHz.km | ≥200~≥100 | ≥500~≥200 | – | – | – |
| 1300nm | MHz.km | ≥600~≥160 | ≥1200~≥400 | – | – | – | |
| Overfilled Launch Bandwidth | 850nm | MHz.km | – | – | ≥700 | ≥1500 | ≥3500 |
| 1300nm | MHz.km | – | – | ≥500 | ≥500 | ≥500 | |
| Effective Modal Bandwidth | 850nm | MHz.km | – | – | ≥950 | ≥2000 | ≥4700 |
| Numerical Aperture | 0.275±0.015 | 0.18~0.215 | |||||
| 10Gb/s Ethernet link length | M | – | – | 150 | 300 | 550 | |
| Backscatter Characteristics(1300nm) | |||||||
| Irregularities over fiber length and point discontinuity | dB | ≤0.1 | |||||
| Attenuation uniformity | dB | ≤0.1 | |||||
| Step (Mean of bidirectional(measurement) | dB/km | ≤0.1 | |||||
| Geometry Characteristics | |||||||
| Core Diameter | μm | 62.5±2.5 | 50±2.5 | ||||
| Core non-circularity | % | ≤5.0 | |||||
| Cladding Diameter | μm | 124.3±0.7 | |||||
| Cladding non-circularity | % | ≤2.0 | |||||
| Core/Cladding Concentricity Error | μm | ≤1.5 | |||||
| Coating Diameter | μm | 245±10 | |||||
| Coating/Cladding Concentricity Error | μm | ≤12.0 | |||||
| Delivery Length | km/reel | ～16.8 | |||||
| Environmental characteristics（850nm &1300nm） | |||||||
| Temperature dependence induced attenuation | -60℃～+85℃ | dB/km | ≤0.10 | ||||
| Temperature-humidity cycling deduced attenuation | -10℃～+85℃，98%RH | dB/km | ≤0.10 | ||||
| Water soak dependence induced attenuation | 23℃±2℃,30 days | dB/km | ≤0.10 | ||||
| Damp heat dependence induced attenuation | 85℃±2℃and85%RH,30 days | dB/km | ≤0.10 | ||||
| Dry heat aging | 85℃±2℃ | dB/km | ≤0.10 | ||||
Test Methods
| Test | Conditions | Acceptance criteria |
| Tensile strength IEC 60794-1-2 E1 | Tensile load: see Point 3 Sample length: ≥ 50 m Test duration: 1 min | – Fiber strain ≤0.6%
– No damage to outer jacket and inner elements |
| Crush resistance IEC 60794-1-2 E3 | Crush: see Point 3 Test duration: 5 min
Number of tests: 3 |
– Additional attenuation: ≤0.1dB after test
– No damage to outer jacket and inner elements |
| Impact
IEC 60794-1-2 E4 |
Impact Energy: 1J R=300 mm
Impact points: 3 Impact number: 1 |
– No obvious additional attenuation
– No damage |
| Repeated bending IEC 60794-1-2-E11A | Bending radius: 15x cable dia. Turn number: 4
Cycles: 3 |
– No obvious additional attenuation
– No damage |
| Torsion
IEC 60794-1-2 E7 |
Sample length: 2 m: Angles: ± 180°
Cycles: 10 |
– No obvious additional attenuation
– No damage |
| Temperature cycling IEC 60794-1-2 F1 | Steps: -30°C~+60°C
12 hours Cycles: 2 |
– Δα ≤ 0.15 dB/km
– Attenuation reversible – No damage |
| Water penetration IEC 60794-1-2 F5 | Sample length: 3 m
Water column height: 1 m Duration: 24 h |
– No water leak through the open end in 24 h |
| Filling compound flow
IEC 60794-1-2-E14 |
Sample length: 0.2 m 60°C
Duration: 24 h |
– No compound flow from the cable in 24 h |
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