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Central Tube Figure-8 Optical Cable
GYXTC8A
The structure of GYXTC8A optical cable is as follows: 250μm optical fibers are inserted into loose tubes made of high-modulus material, and the loose tubes are filled with water-blocking compound. After the loose tubes are longitudinally wrapped with a layer of aluminum tape with plastic coating (APL), they are integrated with steel wire strands into a figure-8 polyethylene sheath.


Lefei Optoelectronics Co., Ltd. can also provide figure-8 optical cables with Y-sheath or S-sheath, such as GYXTC8Y and GYXTC8S. Such products are mostly used for self-supporting aerial installation.


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  • Product Features
  • Optical Cable Structure Diagram
  • Product Standards

1.The steel wire strand features extremely high tensile strength, facilitating self-supporting aerial installation and reducing installation costs.

2.The optical cable boasts excellent mechanical properties and temperature characteristics.

3.The loose tube material itself has good hydrolysis resistance and high strength.

4.The tube is filled with special grease, providing critical protection for the optical fibers.

5.The following measures are adopted to ensure the water resistance of the optical cable:

  • Single steel wire central strength member

  • Special water-blocking compound filled in loose tubes

  • Complete cable core filling

  • Aluminum tape with plastic coating (APL) moisture barrier

Structural Parameters

光缆型号

Cable Type

(以2纤递增)

(Increased by 2 fibers)

光纤数

Fiber Count

单元

Tubes

参考光缆重量

Cable

Weight

kg/kmRef

允许拉伸力

Tensile Strength

长期/短期

Long/Short Term

(N)

允许压扁力

Crush Resistance

长期/短期

Long/Short Term

(N/100mm)

弯曲半径

Bending Radius

静态/动态

Static/Dynamic

(mm)

GYXTC8A-2-12Xn

2-12

1

96

2500/5000

300/1000

10D/20D

GYXTC8A-2-24Xn

2-24

1

99

GYXTC8A-26-36Xn

26-36

1

105

GYXTC8S-38-48Xn

38-48

1

117

 

Optical Characteristics

光纤类型 Fiber Type

G.652

G.655

50/125 μm

62.5/125 μm

衰减 Attenuation+20℃

@ 850 nm

≤ 3.3 dB/km

≤ 3.5 dB/km

@1300 nm

≤ 1.2 dB/km

≤ 1.2 dB/km

@1310 nm

≤ 0.36 dB/km

≤ 0.40 dB/km

@1550 nm

≤ 0.22 dB/km

≤ 0.23 dB/km

带宽 Bandwidth

@ 850 nm

≥ 500 MHz·km

≥ 200 MHz·km

@1300 nm

≥ 500 MHz·km

≥ 500 MHz·km

数值孔径 Numerical Aperture

0.200 ± 0.015 NA

0.275 ± 0.015 NA

光缆截止波长Cable Cut-off Wavelength lcc

≤ 1260 nm

≤ 1450 nm

 

Application: Self-supporting Aerial Installation
Storage & Operating Temperature: -40℃ to +70℃


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GYXTC8A Optical Fiber Cable of Lefei Optoelectronics Co., Ltd. complies with YD/T 1155 and IEC 60794-1 standards.