Description
The need for high speed and increased transmission distance has increased the difficulty of using copper cables. As the operating frequency increases, the interference caused by electromagnetic radiation, attenuation, signal distortion and crosstalk becomes more and more obvious. The wide bandwidth of the fiber provides a significantly increased data rate. The low attenuation of the fiber allows longer cable runs without the need for repeater equipment. The fiber is immune to electromagnetic interference, eliminating ground loops and signal distortion further enhances reliability and safety.
The 125 [mu]m single or multi-model fibers are located in loose tubes made of high modulus plastic. The tube is filled with a waterproof filling compound. A layer of aramid yarn or high strength glass is applied around the cable core as an additional strength member. The cable then completes the black or colored PE jacket.
Feature
· Non-mental design can prevent the cable from radio interference and magnetic wave interference
· Specially designed compact structure is good at preventing loose tubes from shrinking
· Aramid yarn ensures good performance of tensile strength
· Loose tube filling compound ensure good moisture resistance performance
· Good flexibility
· High dense fiber packed, small diameter and light weight; it's the better option for blowing installation process
Parameter
Cable Type | Fiber Count | Cable Diameter(mm) | Cable Weight(mm) | Tensile Strength | Crush Resistance | Bending Radius | |
JET 2~6 | 2~6 | 5.0±0.2 | 20 | 60/150 | 300/1000 | 10D/20D | |
JET 8~12 | 8~12 | 5.2±0.2 | 22 | 60/150 | 300/1000 | 10D/20D | |
Temperature Range | |||||||
Working | -40℃~+70℃ | ||||||
Storage/Transportation | -40℃~+70℃ | ||||||
Attenuation coefficient | |||||||
1310nm | ≤0.36 dB/km | ≤0.36 dB/km | ≤0.40 dB/km | 850nm: ≤ 2.3dB/km | 850nm: ≤ 2.3dB/km | ||
1550nm | ≤0.22 dB/km | ≤0.22 dB/km | ≤0.30 dB/km | 1300nm: ≤ 0.6dB/km | 1300nm: ≤ 0.6dB/km | ||
Zero-dispersion wavelength | 1300nm-1324nm | 1300nm-1324nm | 1300nm-1324nm | 1295-1300 nm | 1295-1300 nm | ||
Zero-dispersion point slope | ≤0.09ps/nm2.km | ≤0.09ps/nm2.km | ≤0.092ps/nm2.km | ≤ 0.11 ps/（nm2.km） | ≤0.11 ps/（nm2.km） | ||
PMDQ | PMD Q*≤0.2ps/km1/2 | PMD Q*≤0.2ps/km1/2 | PMD Q*≤0.2ps/km1/2 |
|
| ||
OD of coating layer | 245±10μm | 245±10μm | 245±10μm | 250±5um | 250±5um | ||
Screen tension | 100kpsi（0.7Gpa） | 100kpsi（0.7Gpa） | 0.69MPa | 100kpsi 0.7GPa | 100kpsi 0.7GPa | ||
The main factors causing fiber attenuation are: intrinsic, bending, extrusion, impurities, unevenness and docking.
Intrinsic
It is the inherent loss of fiber, including: Rayleigh scattering, intrinsic absorption, etc.
bending
When the fiber is bent, the light in some of the fibers is lost due to scattering, resulting in loss.
extrusion
The loss caused by the slight bending of the fiber when it is squeezed.
Impurity
Impurities in the fiber absorb and scatter the light propagating in the fiber, causing losses.
Uneven
Loss caused by uneven refractive index of the fiber material.
Docking
The loss caused by fiber optic docking, such as: different axes (single mode fiber coaxiality requirement is less than 0.8μm), the end face is not perpendicular to the axis, the end face is not flat, the butt diameter is not matched, and the welding quality is poor.
Artificial attenuation
In actual work, it is sometimes necessary to perform artificial fiber attenuation, such as debugging optical power performance in optical communication systems, calibration calibration of debug fiber meters, and fiber attenuators for fiber signal attenuation.
