High Fiber Density Micro Blown Air Blown Fiber Optic Cable Optimum Cable Structure
Features and Benefits
Standards
Unless otherwise specified in this specification, all requirements shall be mainly in accordance with the following standard specifications.
Optical fibre …..ITU-T G.652D,G657,IEC 60793-2-50 Optical cable ….IEC 60794-5,IEC 60794-1-2
Technical Index
Cable Type | Layer Cable | ||||||||
Fibre Count | 12 | 24 | 36 | 48 | 60 | 72 | 96 | 144 | |
Number of loose tube | 1 | 2 | 3 | 4 | 5 | 6 | 8 | 12 | |
Number of filled string | 5 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | |
Number of fiber/tube | 12 | ||||||||
Water blocking method | FRP or PE Lining | Water Blocking yarn | |||||||
Cable Core | Water Blocking yarn | ||||||||
Thickness of HDPE sheath | Nominal: 0.50mm, | Average: 0.45mm, | Minimum: 0.40mm | ||||||
Overall Diameter | 5.6±0.1 mm | 6.4±0.1 mm | 7.8±0.1 mm | ||||||
Weight | 27 kg/km | 40 kg/km | 55 kg/km | ||||||
Max. Tensile Strength | 500N | 1000N | 1000N | ||||||
Max. Crushing Resistance | 800N/100mm | ||||||||
Min. Bending radius | -Static | 12 outer Φ | |||||||
-Dynamic | 20 outer Φ | ||||||||
Cable Fiber Attenuation (single mode) | 0.35dB/km max @1310nm | 0.22dB/km max @1550nm | |||||||
Temperature range | Storage -40~+70℃; Installation -10~+40℃; Operation -40~+70℃ | ||||||||
Cable service life (estimate value) | 25 years |
Testing Idex Blowing Performance
Blowing Tool | Typical blowing length | ||||
PLUMETTAZ:PR-140, MiniJet-400 etc. Air pressure : 15bar | Fiber Count | Duct type 8.0/10.0mm | Duct type 10.0/12.0mm | ||
12~72 fibers | ≥ 1800m | ≥2300m | |||
96 Fibers | ≥1800m | ≥2300m | |||
144 fibers | / | ≥1200m | |||
Mechanical Performance
Item | Testing Method | Testing Results | Specified Value | ||
Tension performance | IEC 60794-1-2-E1 | Short term: Da <0.10 dB, Da reversible; Long term: Da ≤0.03 dB; | Short term: see technical index Long term = 0.5 Short term | ||
Crush | IEC 60794-1-2-E3 | Short term: Da <0.10 dB, Da reversible; Long term: Da ≤0.03 dB; The outer sheath has no visible crack. | Short term crushing force =800 N Long term crushing force =400 N | ||
Repeated bending | IEC 60794-1-2-E6 | After test, Da ≤0.03 dB; The outer sheath has no visible crack. | R=20 outer Φ | ||
Bending load =50N | |||||
Bending times =30 | |||||
Torsion | IEC 60794-1-2-E7 | After test, Da ≤0.03 dB; The outer sheath has no visible crack. | Torsion angle=±180º | ||
Torsion load =50N | |||||
Torsion times =10 | |||||
Cable bend | IEC 60794-1-2-E11A | After test, The optical fiber can’t be broken; The outer sheath has no visible crack. | R=20 outer Φ | ||
10Turns | |||||
Cycles times =5 |
Environment Performance
Item | Testing Method | Testing Results |
Temperature cycling | IEC 60794-1-2-F1 | Allowable additional attenuation (1550nm) |
G.652D/G657 | ||
Da ≤0.05 dB/km, Da reversible; | ||
Water penetration | IEC 60794-1-2-F5B | Water column: 1m, 3m cable, Period:24 hours |
Filling compound flow | IEC 60794-1-2-E14 | 70℃,Period:24 hours |