Mini Air-Blown 2~24 Core Super Mini Unitube Air Blown Fiber Optic Cable
Characteristics
● Special composite material loose casing to reduce low temperature casing retraction.
● Precise control of fiber residual length, stable performance of optical cable.
●Unique process control to eliminate sheath wrinkling in air blowing.
●High density polyethylene outer sheath to improve air blowing distance.
Standards
IEC 60794-5、IEC 60794-1-2 or D/T 1460-2006
Optical Characteristics
G.652 | G.655 | 50/125μm | 62.5/125μm | ||
Attenuation (+20℃) | @850nm | ≤3.0dB/km | ≤3.0dB/km | ||
@1300nm | ≤1.0dB/km | ≤1.0dB/km | |||
@1310nm | ≤0.36dB/km | ≤0.36dB/km | |||
@1550nm | ≤0.22dB/km | ≤0.23dB/km | |||
Bandwidth （Class A） | @850 | ≥500MHZ·km | ≥200MHZ·km | ||
@1300 | ≥1000MHZ·km | ≥600MHZ·km | |||
Numerical Aperture | 0.200±0.015NA | 0.275±0.015NA | |||
Cable Cut-off Wavelength λcc | ≤1260nm | ≤1480nm |
Technical Parameters
| Mini Cable Type | GCYFXY－xxF（MTE +Outer diameter） | ||||
| MTE1.8 | MTE2.0 | MTE2.3 | MTE2.5 | MTE2.8 | |
| Fiber Count | 2～4 | 2～4 | 6～12 | 2～12 | 14～24 |
| HDPE Outer Sheath Thickness | Nominal：0.20mm，Mini: 0.15mm | ||||
| Nominal Outer Diameter | 1.8mm | 2.0mm | 2.3mm | 2.5mm | 2.8mm |
| Approximate Weight | 2.6 kg/km | 4.0 kg/km | 5.0 kg/km | 6.0 kg/km | 7.0kg/km |
| Attenuation (single-mode fiber) | 1310nm/1550nm≤0.35/0.22dB/km | ||||
| Max. Pulling Force | 40N | 40N | 50N | 60N | 60N |
| Max. Squeeze Force | 600N/100mm | ||||
| Mini Permissible Static / Dynamic Bending Radius | 10x/20x O.D. of fiber optic cable | ||||
| Temperature Range | Storage -30～＋60℃； Installation -10～＋40℃； Operation -20～＋50℃ | ||||
| Fiber optic cable life (valuation) | 25 YEARS | ||||
Mechanical performance
| Items | Test Reference Standards | Test Results | Remarks | ||
| Tension | IEC 60794-1-2-E1 （GB/T 7424.2-E1） | Fiber Strain（%） | Accessory Decay（dB） | Short-term test tension is the maximum tension.Long-term test tension is 1/3 of the maximum tension | |
| Short-term ≤0.3 Long-term ≤0.1 | Short-term：≤0.1， No significant strain after stress relief； Long-term：No Significant | ||||
| Flattening force | IEC 60794-1-2-E3 （GB/T 7424.2-E3） | Short-term crushing force: additional attenuation ≤ 0.05.Long-term crushing force: no significant.After stress removal, no visible residual additional attenuation of the fiber, the No visible cracking on the sheath surface | Short-term test pressure:600NLong-term test pressure: 200N | ||
| Repeated bending Test | IEC 60794-1-2-E6 （GB/T 7424.2-E6） | After testing: no visible residual accessory attenuation of the fiber.No visually visible cracking of the sheath | Bending radius = 20 times the diameter of the micro cable | ||
| Load = 15N | |||||
| Bending times: 25 | |||||
| Torsion test | IEC 60794-1-2-E7 （GB/T 7424.2-E7） | After the test: no fiber breakage and no visually visible cracking of the sheath.After stress removal, no obvious residual additional attenuation | Turning angle: ±180º | ||
| Load = 15N | |||||
| Number of torsions: 5 | |||||
| Winding test | IEC 60794-1-2-E11A （GB/T 7424.2-E11A） | After the test: no fiber breakage and no visually visible cracking of the sheath | Mandrel diameter = 20 times the diameter of the micro cable | ||
| Number of tightly wound turns = 10 | |||||
| Number of cycles = 5 | |||||
| All the above results are tested at 1550nm wavelength | |||||
Blowing Performance
| Test Equipment | Typical air delivery lengths and pipe types suitable for air delivery | ||
| Polimente: PRM-196 , PR140 etc.Air pressure: 13bar | Fiber Count | Microtube type 3.5/5.0mm | Microtube type 5.5/7.0mm |
| 2～12 | 800m | 1500m | |
| 14～24 | 500m | 1500m | |
Environmental Characteristics
| Items | Test Method | Indicators to be achieved by the test |
| Temperature Performance | IEC 60794-1-2-F1 | Additional attenuation of fiber (1550nm) |
| ≤0.1 dB/km | ||
| Water penetration performance | IEC 60794-1-2-F5B | 1m water height, 3m cable, test time 24 hoursNo water seepage from the other end of the micro cable |
| Drip performance | IEC 60794-1-2-E14 | Microcables are maintained at an ambient temperature of 70°C for 24 hoursNo filler compound drops out of microcables |