Non-Metallic Loose Tube Aerial Fiber Optic Cable With Kevlar Reinforcement
Description
The fibers are arranged within a high modulus plastic loose tube, which is then filled with a water-resistant
compound. Kevlar is incorporated within the outer jacket of this portion of the cable, which is supplemented
by wires for support. Finally, the assembly is encased in a PE sheath, forming a figure 8 structure.
Application
This specification outlines the overall criteria for a Figure 8 self-supporting Center Tube Optical cable intended
for aerial and overhead installations.
Characteristics
1 Non-metallic strength provides outstanding resistance to electromagnetic interference.
2 Demonstrated loose tube design ensures reliable performance.
3 Exhibits exceptional mechanical and environmental durability.
4 Offers excellent flexibility and bending capabilities.
5 Compact outer diameter, lightweight, and easy to install.
6 Kevlar reinforcement significantly enhances the cable's tensile strength.
Cable construction details
| Specification |
Details |
| Number of Fibers |
1 to 12 cores |
| Loose Tube Material |
PBT |
| Loose Tube Diameter |
3.0mm ± 0.2mm |
| Self-support Steel Wire Diameter |
1.6mm |
| Overall Cable Diameter |
4.0mm × 6.0mm |
| Cable Weight per Kilometer |
45 ± 2kg/km |
Fiber color
| Number of Fibers per Tube |
8 cores |
| 1 |
Blue |
| 2 |
Orange |
| 3 |
Green |
| 4 |
Brown |
| 5 |
Grey |
| 6 |
White |
| 7 |
Red |
| 8 |
Black |
| 9 |
Yellow |
| 10 |
Violet |
| 11 |
Pink |
| 12 |
Aqua |
Cable Mechanical characteristic
| Core |
Cable Diameter |
Weight |
| 1-12 |
4.0×6.0 |
45 ± 2kg/km |
| Parameter |
Details |
| Temperature Range |
-40°C to +70°C |
| Min Bending Radius (Long term) |
10D (D = Cable Diameter) |
| Min Bending Radius (Short term) |
20D (D = Cable Diameter) |
| Min Allowable Tensile Strength (Long term) |
700N |
| Min Allowable Tensile Strength (Short term) |
1200N |
| Operation Temperature |
-40°C to +70°C |
| Installation Temperature |
-20°C to +60°C |
| Storage Temperature |
-40°C to +70°C |
Fiber characteristic
| Fiber Style |
Unit |
SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
OM3-300 |
| Condition |
nm |
1310/1550 |
1310/1550 |
850/1300 |
850/1300 |
850/1300 |
| Attenuation |
dB/km |
≤0.36/0.23 |
≤0.34/0.22 |
≤3.0/1.0 |
---- |
---- |
| Dispersion |
1550nm |
---- |
≤18 |
---- |
---- |
---- |
| Dispersion |
1625nm |
---- |
≤22 |
---- |
---- |
---- |
| Bandwidth |
850nm |
---- |
---- |
≥400 MHz·km |
≥160 MHz·km |
---- |
| Bandwidth |
1300nm |
---- |
---- |
≥800 MHz·km |
≥500 MHz·km |
---- |
| Zero Dispersion Wavelength |
nm |
1300-1324 |
≥1302, ≤1322 |
---- |
---- |
≥1295, ≤1320 |
| Zero Dispersion Slope |
nm |
≤0.092 |
≤0.091 |
---- |
---- |
---- |
| PMD Maximum Individual Fiber |
|
≤0.2 |
≤0.2 |
---- |
---- |
≤0.11 |
| PMD Design Link Value |
Ps(nm2·km) |
≤0.12 |
≤0.08 |
---- |
---- |
---- |
| Fiber Cutoff Wavelength λc |
nm |
≥1180, ≤1330 |
≥1180, ≤1330 |
---- |
---- |
---- |
| Cable Cutoff Wavelength λcc |
nm |
≤1260 |
≤1260 |
---- |
---- |
---- |
| MFD |
1310nm |
9.2+/-0.4 |
9.2+/-0.4 |
---- |
---- |
---- |
| MFD |
1550nm |
10.4+/-0.8 |
10.4+/-0.8 |
---- |
---- |
---- |
| Numerical Aperture(NA) |
|
---- |
---- |
0.200+/-0.015 |
0.275+/-0.015 |
0.200+/-0.015 |
| Step (mean of bidirectional measurement) |
dB |
≤0.05 |
≤0.05 |
≤0.10 |
≤0.10 |
≤0.10 |
| Irregularities over Fiber Length and Point |
dB |
≤0.05 |
≤0.05 |
≤0.10 |
≤0.10 |
≤0.10 |
| Parameter |
Unit |
SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
MM OM3 |
| Discontinuity |
dB/km |
≤0.05 |
≤0.03 |
≤0.08 |
≤0.10 |
≤0.08 |
| Difference Backscatter Coefficient |
dB/km |
-------- |
-------- |
-------- |
-------- |
-------- |
| Attenuation Uniformity |
dB/km |
≤0.01 |
≤0.01 |
---- |
---- |
---- |
| Core Diameter |
µm |
---- |
---- |
50+/-1.0 |
62.5+/-2.5 |
50+/-1.0 |
| Cladding Diameter |
µm |
125.0+/-0.1 |
125.0+/-0.1 |
125.0+/-0.1 |
125.0+/-0.1 |
125.0+/-0.1 |
| Cladding Non-Circularity |
% |
≤1.0 |
≤1.0 |
≤1.0 |
≤1.0 |
≤1.0 |
| Coating Diameter |
µm |
242+/-7 |
242+/-7 |
242+/-7 |
242+/-7 |
242+/-7 |
| Coating/Cladding Concentricity Error |
µm |
≤12.0 |
≤12.0 |
≤12.0 |
≤12.0 |
≤12.0 |
| Coating Non-Circularity |
% |
≤6.0 |
≤6.0 |
≤6.0 |
≤6.0 |
≤6.0 |
| Core/Cladding Concentricity Error |
µm |
≤0.6 |
≤0.6 |
≤1.5 |
≤1.5 |
≤1.5 |
| Curl (Radius) |
µm |
≤4 |
≤4 |
---- |
---- |
---- |
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