Stranded Loose Tube Non-metallic StrengthMember Armored Cable (GYFTA53) Fiber Optic Cable

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Stranded Loose Tube Non-metallic StrengthMember Armored Cable (GYFTA53) Fiber Optic Cable

The structure of GYFTA53 optical cable is to put 250µm optical fiber into a loose tube made of high modulus material, and the loose tube is filled with waterproof compound. The center of the cable core is a non-metallic reinforced core (FRP). For optical cables with certain core numbers, a layer of polyethylene (PE) needs to be squeezed outside the non-metallic reinforced core. The loose tube (and filler rope) is twisted around the central strengthening core into a compact and round cable core, and the gaps in the cable core are filled with water-blocking filler. The plastic-coated aluminum strip (APL) is longitudinally wrapped and extruded with a polyethylene inner sheath. The double-sided plastic-coated steel strip (PSP) is longitudinally wrapped and extruded with a polyethylene outer sheath to form a cable.

Characteristics

Good crush resistance
Direct buried installation

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Model:
GYFTA53

Product Description

Optical Characteristics

Parameter / Property	G.652.D	G.655	50/125μm	62.5/125μm
Attenuation @850nm	-	-	≤3.0 dB/km	≤3.0 dB/km
Attenuation @1300nm	-	-	≤1.0 dB/km	≤1.0 dB/km
Attenuation @1310nm	≤0.36 dB/km	≤0.40 dB/km	-	-
Attenuation @1550nm	≤0.22 dB/km	≤0.23 dB/km	-	-
Bandwidth @850nm	-	-	≥500 MHz·km	≥200 MHz·km
Bandwidth @1300nm	-	-	≥1000 MHz·km	≥600 MHz·km
Polarization mode dispersion (Individual fiber)	≤0.20 ps/√km	≤0.20 ps/√km	-	-
Design link value (M=20, Q=0.01%)	≤0.1 ps/√km	≤0.1 ps/√km	-	-

Technical Data

Item	Contents	Value
Item	Fibre Count	24	48	72	96	144	288
Loose Tube	No.of tubes*fibres per tube	4*6	4*12	6*12	8*12	12*12	24*12
Loose Tube	Outer diameter(mm)	1.9	2.4
Central Strength Member	Material	FRP
	Diameter(mm)	2.25	2.6	2.6	2.6	2.6	2.6
	Coated CSM diameter(mm)	-	-		4.2	7.4	4.8
Water blocking material	Material	Cable filling compound
Moisture-proof	Material	Laminated aluminum tape
Inner sheath	Thickness (mm)	Nominal:1.0
Armor	Material	Corrugated steel tape
Sheath	Thickness (mm)	Nominal:2.0
Cable Diameter(mm)Approx		14.2	15.0	15.0	16.8	20.0	22.4
Cable Weight(kg/km)Approx		210	230	230	280	350	440
Operating Temperature Range(℃)		-40~+70
Tensile Strength Short/Long Term(N)		2700/900
Crush Resistance Short/Long Term(N/100mm)		3000/1000

The colour arrangement of fibre and tube is specified in the color identification table.
Other structure and fibre count are also available according to customer requirements.

Main Mechanical and Environmental Performances

Item	Test Standard	Specified Value	Requirements
Tension	IEC 60794-1-2-E1	See Technical data	Additional attenuation ≤ 0.1dB after test
Crush	IEC 60794-1-2-E3	See Technical data	Additional attenuation ≤ 0.1dB after test
Impact	IEC 60794-1-2-E4	R=300mm, 20Nm one in 3 different places	Additional attenuation ≤ 0.1dB after test
Repeated Bending	IEC 60794-1-2-E6	R=25*D	Additional attenuation ≤ 0.1dB after test
Water Penetration	IEC 60794-1-2-F5	Sample length=3m, Water height=1m, 24 hours	No water leakage
Temperature Cycling	IEC 60794-1-2-F1	-40°C~+70°C	Attenuation change: ≤ 0.05dB/km after test