Structure Parameters:
- Name: GJYFJHH-FTTH Round Drop Cable
- Number of Fibers: 1
- Size (OD): 4.8 ± 0.2 mm
- Fiber Type and Colour:
Indoor: G.657.B3
Outdoor: G.657.A1
- Tight Buffer: LSZH/PVC, 900 μm
- Aramid Yarn: Kevlar
- Inner Sheath: White LSZH
- Aramid Yarn: Kevlar
- Outer Sheath: Black LSZH
Packing
· Length: 500 M/Roll
Minimum Bending Radius
· Dynamic: ≥20D
· Static: ≥10D
Available Tensile Strength
· Long Term: 250 N
· Short Term: 800 N
Available Crush Strength
· Long Term: 200 N/100 mm
· Short Term: 1000 N/100 mm
Environment Characteristics
· Storage Temperature: -40°C to +70°C
· Operating Temperature: -30°C to +60°C
■ Cross Section:
■ Printing on Sheath:
· Manufacture Year: 2024
· Cable Type: FTTH
· Fiber Type: 1 CORE (G.657A1 / G.657.B3)
· Mark of Meters: XXXXm
· Marking Details:
· Printed every 1 meter
· Color: White (Yellow if re-marking is necessary)
· Occasional unclear 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 (1310 nm): 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 to 1324 nm
· Slope (S0): ≤0.092 ps/(nm²·km)
· Dispersion (D(l)):
· At 1288 to 1339 nm: ≤3.5 ps/(nm·km)
· At 1271 to 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 to 1330 nm: 0.03 dB/km (reference 1310 nm)
· Maximum increase in 1525 to 1575 nm: 0.02 dB/km (reference 1550 nm)
· 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.
