GYTA53 fiber optic cable is a commonly used armored fiber optic cable, widely applied in communication engineering. It features excellent mechanical strength and environmental adaptability, making it ideal for underground direct burial, duct installations, and other scenarios where robust cable protection is required. Below is a detailed explanation of GYTA53 cables:
Meaning of GYTA53
- G: Stands for “optical cable.”
- Y: Indicates outdoor use.
- T: Refers to steel tape reinforcement.
- A: Indicates the loose tube is filled with water-blocking gel.
- 53: Denotes dual steel tape armoring with a polyethylene outer sheath.
Thus, GYTA53 is a dual-armored, loose-tube, water-blocking outdoor cable designed for harsh environments.
Structure of GYTA53 Fiber Optic Cable
GYTA53 adopts a stranded loose-tube structure, consisting of the following components:
- Optical Fiber Core:
The core transmits light signals and typically consists of single-mode or multi-mode fibers. - Loose Tube:
The loose tube houses the optical fibers and is filled with water-blocking gel to protect them from moisture and mechanical damage. - Central Strength Member:
A central reinforcing element, usually steel wire or non-metallic material (e.g., FRP, fiber-reinforced plastic), provides tensile strength and structural stability. - Water-Blocking Layer:
Water-blocking materials, such as water-blocking yarn or tape, are used between the loose tubes and cable core to prevent water ingress along the cable. - Dual Steel Tape Armor:
Two layers of steel tape armor wrap around the cable, providing resistance to mechanical stress, compression, and puncture, making it suitable for direct burial applications. - Outer Sheath:
The polyethylene (PE) outer sheath protects the cable from environmental factors such as moisture, UV radiation, and corrosion.
Characteristics of GYTA53 Fiber Optic Cable
- High Mechanical Strength:
The dual steel tape armor provides excellent tensile and compressive strength, suitable for high-stress environments. - Outstanding Water Blocking Performance:
The multi-layer water-blocking design, including gel, yarn, and tape, effectively prevents water penetration into the cable. - Environmental Resistance:
The polyethylene outer sheath offers superior resistance to corrosion, moisture, and UV radiation, ensuring long-term outdoor use. - High Reliability:
The stable structure design ensures consistent and reliable optical signal transmission in complex environments.
Applications of GYTA53 Fiber Optic Cable
GYTA53 fiber optic cable is widely used in the following scenarios:
- Underground Direct Burial:
Its dual steel tape armor and water-blocking properties make it highly suitable for direct burial, capable of withstanding soil pressure and external mechanical impacts. - Duct Installations:
Suitable for laying in communication ducts, protecting the cable from moisture or collisions within the ducts. - Outdoor Projects:
Adaptable to outdoor environments such as mountains, fields, and other challenging terrains, ensuring stable long-distance optical communication. - Communication Backbone Networks:
Ideal for backbone networks and long-distance transmission lines, supporting high-capacity, high-speed data transmission.
Advantages of GYTA53 Fiber Optic Cable
- Robust Protection: Dual steel tape armor ensures excellent physical protection.
- Longevity: Superior corrosion resistance and water-blocking capabilities enable long-term use in harsh environments.
- Versatility: Compatible with various fiber types to meet diverse communication needs.
| Fiber Count | Cable Diameter (mm) | Cable Weight kg) | Permissible Tensile Force (N) | Crush Resistance (N/100mm) | Bending Radius (°C) | Operating Temperature (°C) |
|---|---|---|---|---|---|---|
| 24 | 10.5 | 105.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
| 36 | 10.5 | 105.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
| 42 | 10.5 | 105.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
| 48 | 12.0 | 150.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
| 60 | 12.0 | 150.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
| 72 | 12.0 | 150.00 | 1500 (short-term) / 600 (long-term) | 1000 (short-term) / 300 (long-term) | 20 (short-term) / 10 (long-term) | -40 ~ +70 |
Optical characteristics
| Parameter | G.652 | G.655 | 50/125µm | 62.5/125µm |
|---|---|---|---|---|
| Attenuation (+20°C) | ||||
| @850nm | ≤3.0 dB/km | ≤3.3 dB/km | ||
| @1300nm | ≤1.0 dB/km | ≤1.0 dB/km | ||
| @1310nm | ≤0.36 dB/km | ≤0.40 dB/km | ||
| @1550nm | ≤0.22 dB/km | ≤0.23 dB/km | ||
| Bandwidth (Class A) | ||||
| @850nm | ≥500 MHz·km | ≥200 MHz·km | ||
| @1300nm | ≥1000 MHz·km | ≥600 MHz·km | ||
| Numerical Aperture | 0.200±0.015 NA | 0.275±0.015 NA | ||
| Cable Cut-off Wavelength | ≤1260 nm | ≤1450 nm |
Conclusion
The GYTA53 fiber optic cable is a high-strength, highly reliable armored cable designed for underground direct burial and challenging environments. Its dual steel tape armor, exceptional water-blocking performance, and environmental resistance make it widely adopted in communication engineering. It is an ideal choice for long-distance, high-reliability optical communication applications.
