GYTS/GYTA Outdoor Fiber Optic Cable
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  • GYTS/GYTA Outdoor Fiber Optic Cable
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GYTS/GYTA Outdoor Fiber Optic Cable

Description
  1. The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic.
  2. The tubes are filled with a water-resistant filling compound.
  3. A steel wire, sometimes sheathed with polyethylene (PE) for cable with high fiber count, locates in the center of core as a metallic strength member. 
  4. Tubes (and fillers) are stranded around the strength member into a compact and circular core. 
  5. An Aluminum Polyethylene Laminate (APL) is applied around the cable core, which is filled with the filling compound to protect it from water ingress,. The cable is completed with a PE sheath.
Characteristics
  1. Good mechanical and temperature performance
  2. Hydrolysis-resistance and high strength loose tube.
  3. Non metallic FRP strength members in the cable give it good tensile strength.
  4. Specially designed compact structure is good at preventing loose tubes from shrinking
  5. Special tube filling compound ensure a critical protection of fiber 
  6. PE sheath protects cable from ultraviolet radiation
  7. The following measures are taken to ensure the cable watertight:
          1. Steel wire used as the central strength member
          2. Loose tube with water blocking jelly filled in.
          3. 100% cable core filling
          4. APL moisture barrier
Fiber Parameter
  1. Buffer OD245±7μm
  2. Cladding OD125±1.0μm
  3. Fiber core OD62.5±2.5μm
  4. Attenuation@850nm3.50dB/km@13001.50dB/km
  5. bandwidth@850nm200MHz@1300600MHz
  6. Fiber attenuation non-uniformity0.1dB
  7. macro bend loss@100 circle 75mm OD0.50dB
  8. Laying mode : duct / aerial  
Structure chart

            

Structure Parameter
Core Jacket OD
mm
Tubes Weightkg/km Tension MaxN Crush Force MaxN/100
Long Term Short Term Long Term Short Term
2-60 10.5±0.5 5 112 1500 600 1000 300
62-72 11.5±0.5 6 145 3000 1000 1000 300
74-96 13.0±0.5 8 165 3000 1000 1000 300
98-144 15.8±0.5 12 222 3000 1000 1000 300

 

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