The structure of uni-tube non-metallic 73 sheath light-weight lighting anti-rodent fiber optic cable is to put single-mode optical fiber or multi-mode optical fiber into a loose tube made of high modulus polyester material, and the tube is filled with waterproof compound. Water-blocking material is added to the loose tube to ensure the waterproof performance of the optical cable. The loose tube is wrapped with FRP rod, and a layer of polyethylene inner sheath is extruded on the cable core. After the FRP belt is longitudinally wrapped, a polyethylene outer sheath is extruded to form a cable.
Special tube filling compound ensure a critical protection of fibre
Good lateral pressure resistance and softness
Wrapping FRP ensures the tensile strength of the cable and provides good protection for the loose tube
Wrapped FRP and FRP tape armor make the cable have excellent rodent-proof performance
Polyethylene (PE) sheath has good resistance to UV radiation
Small diameter, light weight and friendly installation
Standards
GYQFXTY73 cable complies with Standard YDT 769-2010 as well as IEC 60794-1.
Structure Drawing
1.Fibre
2.Tube Filling Compound
3.Loose Tube
4.FRP
5.Cable Filling Material
6.PE Inner Sheath
7.Water-blocking Material
8.FRP Tape
9.PE Outer Sheath
Technical Parameters
Cable Type
(Increased by 2 fibres)
Fibre Count
Cable Weight (Ref)
(kg/km)
Tensile Strength
Long/Short Term (N)
Crush Resistance
Long/Short Term (N/100mm)
Bending Radius
Static/Dynamic (mm)
GYQFXTY73-2~12Xn
2~12
97
600/1500
1000/3000
10/20D
GYQFXTY73-12~24Xn
14~24
111
GYQFXTY73-26~36Xn
26~36
148
Storage/Operating Temperature: -40℃-+70℃
Optical Characteristics
Fibre Type
Attenuation(+20℃)
Bandwidth
Numerical Aperture
Cable Cut-off Wavelength λcc
@850nm
@1300nm
@1310nm
@1550nm
@850nm
@1300nm
G.652
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≤0.36dB/km
≤0.22dB/km
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≤1260nm
G.655
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≤0.40dB/km
≤0.23dB/km
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≤1450nm
50/125µm
≤3.3dB/km
≤1.2dB/km
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≥500MHz·km
≥500MHz·km
0.200±0.015NA
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62.5/125µm
≤3.5dB/km
≤1.2dB/km
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≥200MHz·km
≥500MHz·km
0.275±0.015NA
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Note:
a. Suffix Xn denotes fibre type
b. The colour arrangements of fibre and tube are specified in the colour identification table
c. The uni-tube non-metallic 73 sheath light-weight lighting anti-rodent fiber optic cable shouldn't store in outdoor environment more than 6 months in order to keep the cable reel good state
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