PROPERTIE
– High strength aramid yarn strength member ensures high tensile strength and long term stability transmission
– Small outer diameter, lightweight, flame retardant, easy to strip, low attenuation, physically soft
– Direct splicing between tight buffer cables and need no tie-in box or pigtail
APPLICATION
– As building to building connecting cable
– As indoor soft cable along the wall, ceiling, between layers and in conduits
– As pigtails, movable connectors and patch cords for communication equipment
– Temperature range -40 oC ~ + 70 oC
PACKING AND DRUM
The cable is rounded on a non-returnable wooden drum. Both ends of cable are securely fastened to drum and sealed with a shrinkable cap to prevent ingress of moisture. The following information shall be marked on the outer sheath of the cable at an interval of about 1 meter.
– Cable type and number of optical fiber
– Manufacturer name
– Month and Year of Manufacture
– Cable length
The sequential number of the cable length shall be marked on the outer sheath of the cable at an interval of 1meter ± 1%
CONSTRUCTION
OPTICAL FIBERCHARACTERISTICS
Attenuation
850nm
≤23 ≤25 ≤27
[dB/km]
1300nm
≤0.55≤0.70≤0.80
[dB/km]
Overfilled modal bandwidth
850nm
≥500≥400≥400
[MHz-km]
1300nm
≥1000≥800≥800
[MHz-km]
Numerical aperture (NA)
0.200 ±1.015
Group index of refraction (typical)
850nm
1.482
Backscatter characteristics
1300nm
Step (mean of bidirectional measurement)
≤0.10
[dB]
Irregularities over fiber length and point discontinuity
≤0.10
[dB]
Different backscatter coefficient (bidirectional measurement)
≤0.08
[dB/km]
Core diameter
50±2.5
[µm]
Cladding diameter
12.50±1.0
[µm]
Cladding non-circularity
≤0.10
[µm]
Coating diameter
242±7
[µm]
Coating/cladding concentricity error
≤12.0
[%]
Coating non-circularity
≤6.0
[µm]
Core/cladding concentricity error
≤1.5
[dB/km]
Environmental characteristics
850nm, 1300nm
[dB/km]
Temperature dependence,induced attenuation
-60 *C -+85*C
≤0.10
[dB/km]
Temperature-humidity cycling,induced attenuation
-10C-+85*C.90% R.H
≤0.20
[dB/km]
Damp heat dependence,induced attenuation
85*C.85% R.H 30 days
≤0.20
[dB/km]
Water soak dependence , induced attenuation
20 ‘C,30 days
≤0.20
[dB/km]
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