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Double-fly Indoor Cable | Product Standards
Indoor double flying optical cable is specially designed for vertical wiring in buildings and indoor concealed duct laying of FTTH. The low bending sensitive optical fiber and double FRP tensile structure ensure high mechanical strength. The flame retardant LSZH sheath is certified by IEC 60332 and YD/T 1997 standards, taking into account both safety and construction convenience.
Double-fly Indoor Cable | Product Features
· Compression and tension resistance: Double FRP reinforcement (tensile strength ≥ 1200N) ensures mechanical stability.
· Easy to construct: The grooved sheath design is easy to strip and supports fast welding; the double-fly symmetrical structure simplifies the threading process and reduces installation costs.
· Safe and flame retardant: The low-smoke halogen-free sheath complies with the IEC 60332 flame retardant standard, making indoor wiring safer.
Double-fly Indoor Cable | Structure Parameters
Cable technical parameters
Number of optical fibers
|
Cable size (mm)
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Weight (kg/km)
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Tensile strength (long-term/short-term)
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Crush resistance (N/100mm)
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Bending radius (static/dynamic)
|
2FO
|
2.0×6.2±0.2
|
22
|
200N / 500N
|
300 / 1000
|
15D / 30D
|
4FO
|
2.0×6.2±0.2
|
24
|
200N / 500N
|
300 / 1000
|
15D / 30D
|
FO
|
2.0×6.2±0.2
|
26
|
200N / 500N
|
300 / 1000
|
15D / 30D
|
Fiber Characteristics
Parameters
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Indicators
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Fiber Type
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G.657 (Low Bend Sensitivity)
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Attenuation coefficient (20°C)
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≤0.40 dB/km @1310nm
|
|
≤0.30 dB/km @1550nm
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Bandwidth (Class A)
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≥500 MHz·km @1310nm
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Numerical aperture
|
0.200±0.015
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Cut-off wavelength
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≤1260nm
|
Double-fly Indoor Cable | Packaging and delivery
Project
|
FTTH double-fly indoor optical cable (double-layer structure)
|
Length & Packaging
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500m/plywood reel (customizable to 1000m)
|
Reel Dimensions
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250×110×190 mm (lightweight design)
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Carton size
|
260×260×210 mm (double-layer shockproof)
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Net Weight
|
12 kg/km (±5% tolerance)
|
Loading Suggestions (Based on Standard 500m Reels)
20ft Container
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500m/reel
|
1200 rolls (600 km)
|
40HQ Container
|
500m/reel
|
2200 rolls (1100 km)
|
Note: Data calculated based on optimized stacking of plywood reels. Actual loading capacity may vary depending on logistics arrangements.
