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Fiber Optic Cable |
Cable Cross Section |
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| x is Number of Cores & x<=36 |
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Loose Tube Fiber Optic Cable |
MM, 2~36C,
Fig.8
Self-Supporting,
Single Jacket |
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Application :
Aerial |
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If
Number of cores will be 36<x≤96
then:
1. Messenger wire change to 7x1.2
mm
2. Number of fiber/ tube will be change |
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Cable Construction & Description
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| Fiber
Coloring : |
UV Curable Acrylic Color
Ink |
| No.
of Tube : |
Max. 6Tubes |
| No.
of fiber/Tube : |
Max. 6 Fibers |
| Loose
Tube Material : |
PBT |
| Filling
compound (Tube) : |
Thixotropic Jelly |
|
Central Strength Member : |
FRP (Nom. 2.3mm Dia.) |
| Water
Blocking (Core) : |
Water Swell Jelly |
| Core
Wrap : |
Water Swell able Tape |
|
Messenger Wire : |
Gal. Steel Wire(0.8mm*19wires) |
| Outer
Sheath (Figure-8) : |
Black MDPE |
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Cable Core : |
Nom. 2.0mm Thick. |
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Web Size : |
(3.0W x 4.0H) ± 0.5mm |
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Messenger Wire : |
Nom. 0.8mm Thick. |
| Cable
Marking : |
Cable type, Fiber Counts |
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Name of Manufacturer |
|
Year of Manufacturing, |
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Cable Length in meter |
| Cable
Outside Diameter : |
Nom. 22.3 / 11.3mm |
| Cable
Weight : |
Approx. 270kg/km |
| Packing
: |
Export Wooden Drum |
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Bending Radius : |
Static: 10D (Diameter of cable) |
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Dynamic: 20D (Diameter of cable) |
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Optical Fiber Performance |
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| 1.Optical
& Geometrical Performance |
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Core Diameter
: |
50 ± 2.5μm |
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Cladding Diameter : |
125 ± 1μm |
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Cladding Non-Circularity: |
≤ 1% |
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Coating Diameter : |
245 ± 10μm |
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Coat/Clad
Concentricity Error : |
≤ 12μm |
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Core/Clad
Concentricity Error : |
≤ 1.5μm |
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Coating Non-Circularity
Error : |
≤ 6% |
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Attenuation Coefficient
: |
≤ 2.7dB/km at 850nm |
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|
≤ 0.8dB/km at 1300nm |
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Band Width
: |
≥ 400MHz.km at 850nm |
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|
≥ 800MHz.km at 1300nm |
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Numerical Aperture : |
0.20 ± 0.015 |
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PMD Coefficient : |
≤ 0.2ps/√km |
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Point Discontinuity
: |
≤ 0.1 dB at 850 & 1300nm |
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Effective Group Index
of : |
1.482 at 850nm |
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Refraction (Neff) : |
1.477 at 1300nm |
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Type of Fiber Core : |
GIMM50 |
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| 2.Mechanical
& Environmental Performance |
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Proof Test Level : |
≥ 0.69 GPa(≥100kpsi) |
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Macro bending : |
≤ 0.5 dB at 850&1300nm |
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(at 75mm dia. x100 turns) |
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Temperature Dependence
: |
≤ 0.10 dB/km at
850&1300nm |
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(-60°C to 85°C) |
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Damp Dependence: |
≤ 0.20 dB/km at
850&1300nm |
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(+80°C,85%RH for 30Days) |
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Water soak Dependence
: |
≤ 0.20 dB/km at
850&1300nm |
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(+20°C for 30Days) |
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Identification of optical fiber & Loose Tube |
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Optical Fiber |
Loose Tube |
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1 |
Blue |
1 |
Blue |
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2 |
Orange |
2 |
Orange |
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3 |
Green |
3 |
Green |
|
4 |
Brown |
4 |
Brown |
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5 |
Grey |
5 |
Grey |
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6 |
White |
6 |
White |
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Mechanical & Environmental Performance |
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Item |
Reference |
Test
Condition |
Acceptance Criteria |
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Tensile Strength |
IEC 794-1-E1 |
Long Term : 1000N,
Short Term : 3000N |
Attenuation Increase: ≤0.05dB |
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Crush |
IEC 794-1-E3 |
Loading : 5000N/100mm |
Attenuation Increase: ≤0.10dB |
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Impact |
IEC 794-1-E4 |
Loading : 10N.m,
Cycle : 5 |
Attenuation Increase: ≤0.10dB |
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Repeated Bend |
IEC 794-1-E6 |
Bending Radius : X 20D,
Cycle : 30 |
Attenuation Increase: ≤0.10dB |
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Torsion |
IEC 794-1-E7 |
Length : 1m,
Torsion angle : ±180,
Cycle:10 |
Attenuation Increase: ≤0.10dB |
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Cable Bend |
IEC 794-1-E11 |
Bending Radius : X 10D,
Cycle : 10,
Turns : 5 |
Attenuation Increase: ≤0.10dB |
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Temp. Cycling |
IEC 794-1-F1 |
Step :+20°C->-40°C°C-
>+70°C->+20°C, 24Hrs |
Attenuation Increase: ≤0.1dB/km |
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Water Penetration |
IEC 794-1-F5 |
Length : 1m,
Height : 1m,
Times : 24Hrs |
No Leakage |
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