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Data Center Cabling Solution
2020-12-11
Direct Buried Fiber Cable – GYFTY53
2022-02-26Direct Buried Armored Cable
Stranded Loose Tube Non-metallic Strength Member Double Armored Cable – GYFTA53
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Cable Structure:
The 250um bare fibers are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. A Fiber Reinforced Plastic (FRP) locates in the center of the core as a non-metallic strength member. Tubes and fillers are stranded around the strength member into a compact and circular cable core. An Aluminum Polyethylene Laminate (APL) is applied around the cable core. Then the cable core is covered with a thin PE inner sheath, which is filled with jelly to protect it from water ingress. After a corrugated steel armor is applied, the cable is completed with a PE outer sheath.
Color:
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Color | Blue | Orange | Green | Brown | Slate | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
Specifications:
| Fiber Count | Tubes | Fillers | Cable Diameter (mm) | Tensile Strength (N) | Crush Resistance (N/100mm) | Bending Radius (mm) | Cable Weight (kg/km) | |||
| Short Term | Long Term | Short Term | Long Term | Dynamic | Static | |||||
| 2~6 | 1 | 7 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 8~12 | 2 | 6 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 14~18 | 3 | 5 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 20~24 | 4 | 4 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 26~30 | 5 | 3 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 32~36 | 6 | 2 | 12.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 161 |
| 38~42 | 7 | 1 | 13.0 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 171 |
| 44~48 | 8 | 0 | 13.0 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 171 |
| 50~60 | 5 | 3 | 13.0 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 171 |
| 62~72 | 6 | 2 | 13.6 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 198 |
| 74~84 | 7 | 1 | 15.0 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 234 |
| 86~96 | 8 | 0 | 15.0 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 234 |
| 98~108 | 9 | 1 | 16.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 269 |
| 110~120 | 10 | 0 | 16.4 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 269 |
| 122~132 | 11 | 1 | 17.9 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 311 |
| 134~144 | 12 | 0 | 17.9 | 3,000 | 1,000 | 3,000 | 1,000 | 25D | 12.5D | 311 |
144 Fibers Specification:
| Fiber Count | 144 |
| Tubes | 12 |
| Fibers per Tube | 12 |
| Loose Tube Diameter | 2.0±0.1mm |
| FRP Strength Member Diameter | 4mm |
| PE Inner Sheath Thickness | 0.9±0.1mm |
| PE Outer Sheath Thickness | 1.5±0.1mm |
| Fiber Type | G.652D |
| Packing | 2km/drum, gross weight: 720kg |
Environmental Properties:
| Temperature Range | -40°C~+70°C |
Transmission Properties:
| Fiber Type | SM 9/125um (1310nm/1550nm) | 62.5um (OM1) (850nm/1300nm) | 50um (OM2) (850nm/1300nm) | 50um (OM3) (850nm/1300nm) |
| Maximum Attenuation (dB/km) | 0.8/0.6 | 3.5/1.5 | 3.5/1.5 | 3.5/1.5 |
| Typical Attenuation (dB/km) | 0.4/0.3 | 3.5/1.5 | 3.0/1.0 | 3.0/1.0 |
| Minimum LED Bandwidth (MHz·km) | — | 200/500 | 500/500 | 1500/500 |
Note:
Other fiber types are available upon request.
Features:
- Crush resistance and flexibility
- Good mechanical and temperature performance
- PE sheath protects the cable from ultraviolet radiation
- High strength loose tube that is hydrolysis resistant
- Special tube filling compounds ensure a critical protection of fiber
- The following measures are taken to ensure the cable is watertight:
Single Fiber Reinforced Plastic as the central strength member
Loose tube filling compound
100% cable core filling
APL moisture barrier
PSP enhancing moisture-proof
Water-blocking material
Standard:
- YD/T901-2001
- IEC 60794-1
Ordering Information:
| Brand | LW |
| Name | GYFTA53= Stranded Loose Tube Non-metallic Strength Member Double Armored Cable – GYFTA53 |
| Fiber Count | 2=2 fibers; 4=4 fibers; 6=6 fibers; 8=8 fibers; 10=10 fibers…142=142 fibers; 144=144 fibers |
| Fiber Mode | SM=SM 9/125um; MM=50/125um or 62.5/125um |
| Fiber Type | 2D=SM G.652.D; 5=SM G.655; 7A1=SM G.657.A1; 7A2=SM G.657.A2; 7B2=SM G.657.B2; 7B3=SM G.657.B3; OM1=MM 62.5/125um; OM2=MM 50/125um; OM3=MM 10G 50/125um 150m; OM33=MM 10G 50/125um 300m; OM4=MM 10G 50/125um 550m |
| Fiber Length | 0.5=0.5km; 1=1km; 1.5=1.5km; 2=2km; etc |
For Example:
| Picture | Model | Description |
 | LW-GYFTA53-12-SM-2D-1 | Stranded Loose Tube Non-metallic Strength Member Double Armored Cable, GYFTA53, 12 fibers, single-mode G.652.D fiber, 1km, PE jacket |
 | LW-GYFTA53-144-SM-2D-1 | Stranded Loose Tube Non-metallic Strength Member Double Armored Cable, GYFTA53, 144 fibers, single-mode G.652.D fiber, 1km, PE jacket |
Packing
The cable is supplied in lengths as specified in PI or as a requirement. Each length will be shipped on a separate non-returnable wooden drum. The minimum barrel diameter of the drum will not be less than 30 times the cable diameter.
The cable on each reel will be completely covered with a thermal wrap which is fastened to the cable by packaging straps. This wrap is reusable and provides excellent thermal and UV protection.
The cable ends will be sealed with plastic protection caps to prevent water penetration. The ends will be easily accessible for testing. A final inspection test report with attenuation performance data for each fiber is attached inside the drum.
