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Position: Home > Products > Fiber Optic Cables > Outdoor Cables



GYFTY, Loose Tube Non-metallic Strength Member & Non-armored Cable, 2~144 cores

    Key Features

  • Good mechanical and temperature performance
  • High hydrolysis resistance and high strength loose tube
  • Good crush resistance and flexibility
  • High tensile strength ensured by FRP central strength member
  • Good anti-electromagnetism due to non-metallic central strength member (FRP)
  • Description
  • Specifications
  • Ordering Information
  • Applications
  • FAQ
  • Product Video
  • Sun Telecom's SUN-OC-SLTF-P stranded loose tube non-metallic strength member and non-armored cable (GYFTY) construction is that 250um fibers are positioned in a loose tube which is made of high modulus plastic and filled with a water-resistant filling compound; A fiber reinforced plastic (FRP), sometimes sheathed with polyethylene (PE) for cable with high fiber count, locates in the center of core as a non-metallic strength member; Tubes are stranded around the strength member into a compact and circular cable core; After the cable core is filled with the filling compound which protects it from water ingress, the cable is completed with a polyethylene (PE) sheath.
  • Standards
    Sun Telecom's SUN-OC-SLTF-P stranded loose tube non-metallic strength member and non-armored cable (GYFTY) complies with standard YD/T901 and IEC60794-1
    Fiber Optic Characteristics

    Parameters Specification
    Fiber Type G.652D (9/125μm) G651A1 (50/125μm) G651A1b (62.5/125μm)
    Attenuation (dB/km) @850nm   ≤2.3 ≤2.7
    @1300nm   ≤0.6 ≤0.6
    @1310nm ≤0.35    
    @1550nm ≤0.21    
    Bandwidth (MHz·km) @850nm   ≥500 ≥200
    @1300nm   ≥500 ≥500
    Numerical Aperture   0.200±0.015NA 0.275±0.015NA
    Cable Cut-off Wavelength (nm) ≤1260    
    Cable Specifications

    Parameters Specification
    Fiber Count 2~30 32~36 38~60 62~72 74~96 98~120 122~144
    Cable Diameter (mm) (±0.3 ) 8.7 9.0 9.3 9.8 11.0 12.3 13.6
    Cable Weight (kg/km) 62 66 69 77 97 120 145
    Tensile Strength (N) Short Term 1500
    Long Term 600
    Crush Resistance (N) Short Term 1000
    Long Term 300
    Bending Radius (mm) Dynamic 20D
    Static 10D
    Attenuation (After Cable) (dB/km) MM Fiber @850nm ≤3.0 (50/125μm)
    ≤3.3 (62.5/125μm)
    MM Fiber @1300nm ≤1.0
    SM Fiber @1310nm ≤0.36
    SM Fiber @1550nm ≤0.22
    Operating Temperature (°C) -40 ~ +70
    Storage Temperature (°C) -40 ~ +70

  • Example: SUN-OC-SLTF-P-6SM-I
    GYFTY outdoor cable, stranded loose tube, FRP central strengh member, without armor and single PE jacket; 6 fibers, G652D

  • ● Core network
    ● Metropolitan area network
    ● Access network

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