GYHTY optical cable is designed for high-performance, demanding communications environments. The cable combines excellent moisture resistance, mechanical strength, and superior durability. It consists of colored optical fibers coated with a high-modulus loose tube filled with thixotropic water-blocking gel for maximum moisture protection.
The central strength member of the cable is made of glass fiber reinforced plastic (FRP), providing structural stability and mechanical strength without the inclusion of metallic components. Loose tube and optional fill ropes are stranded around the core in a helical pattern for tensile strength and flexibility. Water-blocking gel fills any internal cavities to assure sound protection against water intrusion. The cable is finished with a polyethylene inner sheath, aramid yarn reinforced for additional tensile strength, and covered by an abrasion-resistant polyethylene outer sheath, possessing UV, abrasion, and environmental stress resistance.
Cross-section Diagram
This optical cable is built for rugged outside applications with long-term, high-performance toughness in a wide array of communications networks.
Optical Characteristics
Fiber Type |
G.652 |
G.655 |
50/125μm |
62.5/125μm |
|
Attenuation (±20℃) |
@850nm |
- |
- |
≤3.3 dB/km |
≤3.5 dB/km |
@1300nm |
- |
- |
≤1.2 dB/km |
≤1.2 dB/km |
|
@1310nm |
≤0.36 dB/km |
≤0.40 dB/km |
- |
- |
|
@1550nm |
≤0.22 dB/km |
≤0.23dB/km |
- |
- |
|
Bandwidth (Class A) |
@850nm |
- |
- |
≥500 MHz·km |
≥200 MHz·km |
@1300nm |
- |
- |
≥500 MHz·km |
≥500 MHz·km |
|
Numerical Aperture |
- |
- |
0.200±0.015NA |
0.275±0.015NS |
|
Cable Cut-off Wavelength λcc |
≤1260nm |
≤1450nm |
- |
- |
Technical Parameters
Type |
Fiber Count |
Loose Tubes |
Filling Ropes |
Cable Weight Kg/km |
Tensile Strength Long/short term N |
Crush Force Long/short term N/100mm |
Bending Radius Static/Dynamic mm |
GYHTY-4~6Xn |
4~6 |
1 |
5 |
84 |
600/1500 |
300/1000 |
10D/20D |
GYHTY-8~12Xn |
8~12 |
2 |
3 |
84 |
|||
GYHTY-14~18Xn |
14~18 |
3 |
2 |
84 |
|||
GYHTY-20~24Xn |
20~24 |
4 |
1 |
84 |
|||
GYHTY-26~30Xn |
26~30 |
5 |
0 |
84 |
|||
GYHTY-32~36Xn |
32~36 |
6 |
0 |
84 |
*Sizes and performance values can be specified by customers.
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