Aerial Fiber Optic Cable

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Description
Aerial fiber optic cables are used in self-supporting aerial installations, and usually hung on poles. It is a loose tube fiber cable made of a central 250um optic fiber, surrounded by a water blocking material and outer loose tube made of a highly modulus material. The loose tube fiber cable is then twisted around a central strength member to form a round cable core. The cable core is then sheathed with APL and steel stranded wires, then squeezed in a figure 8 PE jacket.

Standard

Technical Parameters

Type (increase by two fibers ++)	Fiber count	Loose tubes	Fillers	Cable diameter (mm)	Cable weight (kg/km)	Allowable tensile strength (short/long term) (N)	Allowable crush resistance short/long term (N/100mm)	Bend radius dynamic/ static (mm)
GYTC8A 2-6	2-6	1	4	6.89.218.0	214	600/1500	300/1000	10D/20D
GYTC8A 8-12	8-12	2	3	6.89.218.0	214	600/1500	300/1000	10D/20D
GYTC8A 14-18	14-18	3	2	6.89.218.0	214	600/1500	300/1000	10D/20D
GYTC8A 20-24	20-24	4	1	6.89.218.0	214	600/1500	300/1000	10D/20D
GYTC8A 26-30	26-30	5	0	6.89.218.0	214	600/1500	300/1000	10D/20D
Storage/Operating Temperature: -40℃ to +70℃

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Optic fiber features

		50/125μm	65.5/125μm	G.652	G.655
Attenuation	@850	≤3.5db/km	≤3.5db/km
	@1300	≤1.5db/km	≤1.5db/km
	@1310			≤0.45db/km	≤0.50db/km
	@1550			≤0.30db/km	≤0.50db/km
Bandwidth (grade A)	@850	≥500Mhz.Km	≥200Mhz.Km
Bandwidth (grade A)	@1300	≥1000Mhz.Km	≥600Mhz.Km
Numerical aperture		0.200±0.015NA	0.275±0.015NA
Cutoff wavelength of optic fiber				≤1260 nm	≤1450 nm
Additional attenuation due to temperature variations (-20℃~+60℃)	@1300	≤0.25db/km	≤0.25db/km
	@1550			≤0.10db/km	≤0.15db/km

Features

The direct buried fiber optic cable has an excellent mechanical property and temperature resistance.
The loose tube material features an excellent hydrolysis resistance and higher strength.
The special factice filled in the cable protects the fiber.
The direct buried fiber optic cable has great stress tolerance and flexibility.

The following measures protect the fiber from water.

The fiber optic cable uses a steel wire as the central strength member.
The special waterproof compound is filled in the loose tube.
100% cable core filling.
The APL moisture proof coating clads tightly around the cable core.
The PSP improves the waterproof characteristics.
High quality water blocking material prevents water penetration.