Semita

48F-ARM OPTICAL FIBRE CABLE

COMPONENTS DIMENSION / DESCRIPTION
FRP – CENTRAL STRENGTH MEMBER DIAMETER 1.6 mm ± 0.1 mm
SM OPTICAL FIBRES
COLOUR [G 652D]
Attenuation :
< 0.36 dB/Km at 1310 nm
< 0.23 dB/Km at 1550 nm
BLUE, ORANGE, GREEN, BROWN, SLATE, WHITE, RED, BLACK, YELLOW, VIOLET, ROSE & AQUA
LOOSE TUBE 5 nos.
12 FIBRES IN EACH TUBE
PBT
OD : 1.9 mm ± 0.1 mm
TUBE COLOUR BLUE, ORANGE, GREEN, BROWN
FILLER – 1 Nos. PE BLACK
FILLING COMPOUND LOOSE TUBE IS FILLED WITH THIXOTROPIC JELLY
FLOODING COMPOUND CABLE CORE IS FLOODED WITH WATER BLOCKING JELLY
SINGLE LAYER POLYESTER/WS TAPE WRAPPED OVER THE CABLE CORE
GLASS ROVING /ARAMID yarns PERPHERAL STRENGTH MEMBER
RIP CORD – 1/2 Nos. (optional) PROVIDED BELOW THE SHEATH
ARMOURING Corrugated steel tape armour (CSTA) ECCS TAPE
HDPE[UV] BLACK SHEATH MINIMUM THICKNESS 1.8 mm
DIAMETER OF THE CABLE 10.6 mm ± 0.6 mm
OVERALL WEIGHT OF THE CABLE 100 Kg/Km Nominal
OPTICAL FIBER CHARACTERISTICS (Single Mode G.652D)
Attenuation (dB/Km) @1310 nm: ≤ 0.350
@1550 nm: ≤ 0.230
Fiber cut-off wavelength ≤ 1320 nm
Cable cut-off wavelength ≤ 1260 nm
Mode Field Diameter @1310 nm 9.2 ± 0.4 µm
Mode Field Diameter @1550 nm 10.4 ± 0.5 µm
Dispersion 1285–1330 nm ≤ 3.5 ps/nm.km
Dispersion 1270–1340 nm ≤ 5.3 ps/nm.km
Dispersion 1550 nm ≤ 18 ps/nm.km
Dispersion 1625 nm ≤ 22 ps/nm.km Zero
Dispersion Wavelength 1300–1324 nm Zero
Dispersion Slope ≤ 0.092 ps/nm².km
PMD Co-efficient (1310nm & 1550nm) Uncabled Fiber: ≤ 0.2 ps/sqrt.km
Cabled Fiber: ≤ 0.3 ps/sqrt.km
Coating/Cladding concentricity ≤ 12 µm
Coating Diameter – Natural 245 ± 10 µm
Cladding Non-Circularity ≤ 1 %
Cladding Diameter 125 ± 1 µm
Mode Field Concentricity error ≤ 0.6 µm
Fiber Curl ≥ 4 m radius Curv.

OPTICAL FIBRE CABLE PERFORMANCE

MECHANICAL ENVIRONMENTAL
Maximum Tensile Strength: 2700 N Temp. Performance
Min Bending Radius installation/Service: 10 D/20 D Installation: -30°C to +70°C
Crush Resistance: 4000 N / 100*100 mm Service: -30°C to +70°C
Impact strength: 25 N, 0.5m Storage: -30°C to +70°C
Kink Resistance: 10 D
Torsion: ±180º
Water Penetration: 2m head, 3m samples, 24 hrs. Cable Core Drip Test: 30ms, 70°C, 24 hr
Change in attenuation shall be ≤ 0.05 dB/Km.
All tests shall be carried out as per IEC Standard.