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The GYTA cable is a classic outdoor communication solution featuring a corrugated aluminum tape armor. It provides an excellent balance of moisture protection and mechanical flexibility, making it the preferred choice for duct and aerial backbone networks.
Perfect for long-distance communication and inter-office networks. It can be installed in conduits (ducts) or lashed aerially.
-IEC 60794, RoHS, ISO 9001.
| Component | Material/Properties | Size/Details |
|---|---|---|
| Optical Fiber | High-purity Silica Glass | Usually single-mode (e.g., G.652D) or multimode. Core count typically ranges from 2 to 288 fibers. |
| Loose Tube | PBT (Polybutylene Terephthalate) | Tubes are filled with a water-blocking thixotropic jelly to protect fibers from mechanical stress and moisture. |
| Central Strength Member | Phosphatized Steel Wire | Located at the core center. For larger cables, the steel wire may be coated with a polyethylene (PE) cushion. Provides essential tensile strength. |
| Water Blocking | Water-blocking tape or yarn | Applied within the core interstices to prevent the longitudinal penetration of water inside the cable. |
| Moisture Barrier / Armor | APL (Aluminum-Polyethylene Laminate) | Double-sided plastic-coated aluminum tape, wrapped longitudinally around the cable core. Primarily provides superior moisture resistance and moderate mechanical protection. |
| Outer Jacket | MDPE or HDPE (Medium or High-Density Polyethylene) | Black, UV-resistant, highly weather-resistant, and designed to withstand extreme outdoor environments ranging from -40°C to +70°C. |
| Markings | Printed on the outer jacket | Typically includes: “Cable Model (e.g., GYTA-24B1.3)”, “Core Count”, “Fiber Type”, “Manufacturer Name”, “Year of Manufacture”, and sequential “Meter Marks” for length identification. |
| Fiber Count | O.D. (mm) | Weight (kg/km) | Sheath Thickness (mm) | Bending Radius (mm) | Tensile Strength (N) | Crush Resistance (N/100mm) |
|---|---|---|---|---|---|---|
| 2 – 12 | 10.2 | 105 | 1.8 | 102 (Static) / 204 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 14 – 24 | 11.0 | 125 | 1.8 | 110 (Static) / 220 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 26 – 36 | 11.8 | 142 | 1.8 | 118 (Static) / 236 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 48 | 12.5 | 158 | 1.8 | 125 (Static) / 250 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 72 | 13.9 | 192 | 2.0 | 139 (Static) / 278 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 96 | 15.6 | 235 | 2.0 | 156 (Static) / 312 (Dynamic) | 1500 / 600 | 1000 / 300 |
| 144 | 18.2 | 310 | 2.0 | 182 (Static) / 364 (Dynamic) | 1500 / 600 | 1000 / 300 |
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