Product Description

24 Cores GCYFY G657A2 Air-blown Micro-cable Optical Fiber Cable Specification

1. Optical cable type: GCYFY-24B3 G657A2

2. Cross section of cable:

3.Optical fiber type and properties

Item		Unit	Specification
Item		Unit	G. 657A2
Mode field diameter	1310nm	mm	9.2 ± 0.4
Mode field diameter	1550nm	mm	10.4 ± 0.8
Cladding diameter		mm	125.0 ± 1
Cladding non-circularity		%	£1.0
Core/cladding concentricity error		mm	£0.5
Coating diameter		mm	242 ± 7
Coating/cladding concentricity error		mm	£12
Cable cut-off wavelength		nm	£ 1260
Attenuation Coefficient	1310nm	dB/km	£0.36
Attenuation Coefficient	1550nm	dB/km	£0.22
Proof stress level		kpsi	≥100

Other parameters meet standard ITU-T G.652

4. Dimensions of cable constructions

Fiber count	Structure	Fibers per tube	Loose tube diameter (mm)	CSM diameter/pad diameter (mm)	Thicknes s of outer jacket (mm)	Cable diamete (mm)	Cable weight (kg/km)
24	1+5	6	1.5±0.1	1.2/1.2	0.55±0.1	5.3±0.5	23
48	1+5	12	1.6±0.1	1.2/1.2	0.55±0.1	5.5±0.5	25
72	1+6	12	1.6±0.1	1.8/1.8	0.55±0.1	6.1±0.5	33
96	1+8	12	1.6±0.1	2.0/2.9	0.55±0.1	7.2±0.5	45

5. Cable performance

Item		Parameters
Fiber	Color	All colors display
Loose tube	Material	PBT
Loose tube	Color	All colors display
Filler	Material	PE
Filler	Color	Black
CSM	Material	FRP
Outer jacket	Material	HDPE
Outer jacket	Color	Black or orange
Min.bending radius	Static	10 times cable diameter
Min.bending radius	Dynamic	20 times cable diameter
Tensile performance	Short term	0.5G
Crush	Short term	450N/100mm

6. Environmental performance

Item	Standard	Parameters
Operation temperature	IEC 60794-1-2 F1	-20ºC~+60ºC

7. Drum

Cable type	Drum
Cable type	Height (mm)	Width (mm)	Inner diameter (mm)	Length (km)	Drum type
GCYFY-24	700	760	500	2	Plywood wood drum
GCYFY-48	700	760	500	2	Plywood wood drum
GCYFY-72	750	760	500	2	Plywood wood drum
GCYFY-96	800	760	500	2	Plywood wood drum

Telefly is one of the major fiber optic component suppliers in China (adapters, patch lines, braids, attenuators, shunt media converters, etc.), industrial switches, indoor and outdoor fiber optic equipment for more than 10 years. Our products have been exported to more than 30 countries. I'm honored to work with you for a long-term and win-win cooperation between our two companies.