Figure 8 Self Supporting Aerial Fiber Optic Outdoor Cable GYTC8S
Figure 8 Self-Supporting Aerial Fiber Optic Outdoor Cable GYTC8S
Description
The figure-8 aerial fiber optic cable is meticulously engineered for self-sustaining aerial deployment. It begins
with meticulous placement of single-mode or multimode fibers within a protective loose tube crafted from high
modulus plastic. These tubes are further safeguarded by a water-resistant filling compound, ensuring the fibers
remain shielded from environmental factors. A pivotal steel wire, situated at the core, serves as the cable's
backbone, fortifying its tensile strength. Around this core, the tubes and fillers are intricately stranded, creating
a robust and compact circular cable core. Encasing this core is a layer of PSP (Polyethylene Sheath), augmen-
ting its resilience. Finally, the assembly is completed with a polyethylene (PE) sheath enveloping the stranded
wires, culminating in the figure-8 configuration. This cable's tailored design makes it an ideal choice for installa-
tions where autonomous aerial support is essential, assuring reliability and stability amidst challenging outdoor
conditions.
Application
These specifications outline the necessary standards for a Figure 8 self-supporting cable designed to meet
the diverse demands of aerial, duct, and direct buried installations.
Characteristic
1 Optimized Fiber Length: Precise management of fiber excess length ensures superior tensile strength and
temperature performance, enhancing the cable's durability and resilience under varying conditions.
2 Robust Tube Protection: Incorporation of a high-strength, hydrolysis-resistant loose tube, coupled with a
specialized filling compound, provides crucial protection for the fiber, safeguarding it against environmental
factors and potential damage.
3 Watertight Design Measures: Various strategies are employed to guarantee the cable's resistance to water
infiltration, including the use of a steel wire as a central strength member, filling compounds within the loose
tubes, complete cable core filling, and the application of PSP for enhanced moisture-proofing, collectively
ensuring comprehensive water resistance.
Cable construction details
| Number of fiber | 24~144core | |||||||
| Moisture Barrier | Water blocking system | |||||||
| Central strength member | material | FRP | ||||||
| diameter | 1.4mm | |||||||
| Mental strength member | material | Steel wire | ||||||
| diameter | 1.0mm*7 | |||||||
| Gallus | material | PE | ||||||
| diameter | 2.2mm*2.8mm | |||||||
| Loose tube | material | PBT | ||||||
| diameter | Ф2.2(outer/inner) | |||||||
| Tube-filling | material | Tube filling compound | ||||||
| Outer armored | material | corrugated steel tape | ||||||
| Outer sheath | material | PE | ||||||
| diameter | 1.70±0.3mm | |||||||
Fiber color
| Number of fiber per tube 8cores |
1 | 2 | 3 | 4 | 5 | 6 |
| Blue | Orange | Green | Brown | Grey | White | |
| 7 | 8 | 9 | 10 | 11 | 12 | |
| Red | Black | Yellow | Violet | Pink | Aqua |
Cable Mechanical characteristic
| core | Cable diameter | weight | |||||
| 24 cores to60 cores | 5.5*10.0±0.4mm | 145 ±3 kg/km | |||||
| 72cores | 13.1±0.3mm | 290±8kg/km | |||||
| 96cores | 14.7±0.3mm | 330±8kg/km | |||||
| 144cores | 17.9±0.3mm | 420±8kg/km | |||||
| Min Bending Radius(mm) | Long term | 10D | |||||
| Min Bending Radius(mm) |
Short term | 20D | |||||
| Min allowable Tensile Strength(N) |
Long term | 3000 | |||||
| Min allowable Tensile Strength(N) |
Short term | 7000 | |||||
| Crush Load (N/100mm) | Long term | 1000 | |||||
| Crush Load (N/100mm) | Short term | 3000 | |||||
| Operation temperature (℃) |
-40 ~ +70 | ||||||
| Installation temperature(℃) |
-15 ~ +60 | ||||||
Fiber characteristic
| Fiber style | Unit | SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
MM OM3-300 |
|
| condition | nm | 1310/1550 | 1310/1550 | 850/1300 | 850/1300 | 850/1300 | |
| attenuation | dB/km | ≤ | ≤ | ≤ | ≤3.0/1.0 | ≤3.0/1.0 | |
| 0.36/0.23 | 0.34/0.22 | 3.0/1.0 | ---- | ---- | |||
| Dispresion | 1550nm | Ps/(nm*km) | ---- | ≤18 | ---- | ---- | Dispresion |
| 1625nm | Ps/(nm*km) | ---- | ≤22 | ---- | ---- | ||
| Bandwith | 850nm | MHZ.KM | ---- | ---- | ≧400 | ≧160 | Bandwith |
| 1300nm | MHZ.KM | ---- | ---- | ≧800 | ≧500 | ||
| Zero dispersion wavelength | nm | 1300-1324 | ≧1302, ≤1322 |
---- | ---- | ≧ 1295, ≤1320 |
|
| Zero dispresion slope | nm | ≤0.092 | ≤0.091 | ---- | ---- | ---- | |
| PMD Maximum Individual Fibr | ≤0.2 | ≤0.2 | ---- | ---- | ≤0.11 | ||
| PMD Design Link Value | Ps(nm2*k m) |
≤0.12 | ≤0.08 | ---- | ---- | ---- | |
| Fibre cutoff wavelength λc | nm | ≧ 1180, ≤1330 |
≧1180, ≤1330 |
---- | ---- | ---- | |
| Cable sutoff wavelength λcc |
nm | ≤1260 | ≤1260 | ---- | ---- | ---- | |
| MFD | 1310nm | um | 9.2+/-0.4 | 9.2+/-0.4 | ---- | ---- | ---- |
| 1550nm | um | 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 | |
| Dicontinuity | |||||||
| Difference backscatter coefficient |
dB/km | ≤0.05 | ≤0.03 | ≤0.08 | ≤0.10 | ≤0.08 | |
| Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | ||||
| Core dimater | um | 50±1.0 | 62.5±2.5 | 50±1.0 | |||
| Cladding diameter | um | 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 | um | 242±7 | 242±7 | 242±7 | 242±7 | 242±7 | |
| Coating/chaffinch concentrically error |
um | ≤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 conentricity error | um | ≤0.6 | ≤0.6 | ≤1.5 | ≤1.5 | ≤1.5 | |
| Curl(radius) | um | ≤4 | ≤4 | ---- | ---- | ---- | |
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