GJYFJH-FTTH Round Drop Cable 3.0mm

Structure Parameters:

• Name: GJYFJH-FTTH Round Drop Cable
• Number of Fibers: 1
• Outer Diameter (OD): 3.0 ± 0.1 mm
• Fiber Type and Colour:

     Indoor: G.657.B3

     Outdoor: G.657.A1

• Tight Buffer: Blue LSZH, 0.90 mm

     Aramid Yarn: Kevlar

     Inner Sheath: Black LSZH, 3.0 ± 0.1 mm

     Packing: 500M/Roll

• Minimum Bending Radius

· Dynamic: ≥60D

· Static: ≥30D

• Available Tensile Strength

· Long Term: 60N

· Short Term: 120N

• Available Crush Strength

· Long Term: 200 N/100mm

· Short Term: 500 N/100mm

• Environment Characteristics

· Storage Temperature: -40℃ to +70℃

· Operating Temperature: -30℃ to +60℃

■ Cross Section:

■ Printing on Sheath:

• Manufacture Year & Week: YYWW

• Cable Type: FTTH
•  Fiber Core: 1CORE(G.657A1 / G.657.B3)

• Mark of Meters: XXXXm
• Marking Details:

  Printed every 1 meter

  Color: White (yellow if remarking is necessary)

  Occasional unclear length marking is permitted if both neighboring markings are clear

  Both cable ends are sealed with heat shrinkable end caps to prevent water ingress

■ Fiber Properties (ITU-T Rec. G.657):

• Mode Field Diameter (1310nm): 8.2-9.0 mm
• Cladding Diameter: 125.0 ± 0.7 mm
• Cladding Non-Circularity: ≤1.0%
• Cladding to Core Concentricity Error: ≤0.5 mm
• Secondary Coating Diameter: 245.0 ± 10.0 mm
• Secondary Coating to Cladding Concentricity Error: ≤12.0 mm
• Fiber Curl: ≥4.0 m
• Minimum Bending Radius:

  G.657.A1: 10 mm

  G.657.B3: 5 mm

   

• Attenuation:

  @1310 nm: ≤0.34 dB/km

  @1383 nm: ≤0.31 dB/km

  @1383 nm (after H2 aging): Δ≤0.01 dB/km

  @1550 nm: ≤0.20 dB/km

  @1625 nm: ≤0.23 dB/km

• Point Discontinuity at 1310 and 1550 nm: ≤0.02 dB
• 2m Fiber Cut-Off Wavelength (λc): 1150 ≤ λc ≤ 1330 nm
• Zero Dispersion Wavelength (l0): 1300~1324 nm
• Slope (S0): ≤0.092 ps/(nm²·km)
• Dispersion (D(l)):

  At 1288~1339 nm: ≤3.5 ps/(nm·km)

  At 1271~1360 nm: ≤5.3 ps/(nm·km)

  At 1550 nm: ≤18 ps/(nm·km)

  At 1625 nm: ≤22 ps/(nm·km)

• Polarization Mode Dispersion (PMD):

   

  Fiber Value: ≤0.2 ps/km¹/²

  Link Value: ≤0.1 ps/km¹/²

• Attenuation vs. Wavelength:

  Maximum increase in 1285-1330 nm (reference 1310 nm): 0.03 dB/km

  Maximum increase in 1525-1575 nm (reference 1550 nm): 0.02 dB/km

• Attenuation from Outer End to Inner End: 0.05 dB/km
• Maximum Segment Loss – Average Loss: 0.03 dB/km (OTDR)

■ Packing and Marking:

Packing

• Each single length of cable shall be reeled on Plastic Drum.
• Drum length: Standard drum length is 3000m±2% or design as per client inquiry ;

Drum Marking (can according to the requirement in the technical specification)

-Manufacturer name;

-Manufacturing year and month;

-Roll-direction arrow;

-Cable outer end position indicating arrow;

-The word “OPTICAL FIBER CABLE”;

-Cable type and size;

-Drum number;

-Drum length;

-Gross / net weight;

-Origin, The word “MADE IN CHINA”;

-Caution plate indicating the correct method for loading, unloading and convey the cable;

-Other customer information such as contract no., project no., and delivery destination. (if needed)

Cable identification documents

-Product qualified certificate;

-Test report.