GYXTW

Central Loose Tube Outdoor Cable

The GYXTW optical cable is to sheath 250μm fiber into PBT loose tube with water-resistant compound filled. The Loose tube is wrapped with a layer of double-side plastic coated steel tape (PSP) longitudinally. The water blocking material is filled between PSP and the loose tube to ensure the compactness and longitudinal water blocking. Two parallel steel wires are placed at the two sides of the steel tape. The cable is completed with the outer sheath.

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Fiber Parameter

Single Mode Fiber
			Unit	G.652D	G657A1	G657A2
Cladding Diameter			μm	125±1.0	125±0.7	125±0.7
Cladding non-circularity			%	≤ 1.0	≤ 0.7	≤ 0.7
Core-cladding Concentricity Error			μm	≤ 0.6	≤ 0.5	≤ 0.5
Coating Diameter			μm	245±7	245±5	245±5
Coating non-circularity			%	≤ 6.0	≤ 6.0	≤ 6.0
Cladding-coating concentricity error			μm	≤ 12.0	≤ 12.0	≤ 12.0
Cable Cutoff Wavelength (λcc)			nm	≤ 1260	≤ 1260	≤ 1260
Mode Field Diameter		1310nm	μm	≤ 0.4	≤ 0.4	≤ 0.4
Mode Field Diameter		1550nm	μm	≤ 0.3	≤ 0.3	≤ 0.3
Multimode Fiber
		Unit	62.5/125	50/125	OM3	OM4
Core Diameter		μm	62.5±2.5	50±2.5	50±2.5	50±2.5
Cladding Diameter		μm	125±1.0	125±1.0	125±1.0	125±1.0
Core Non-circularity		%	≤ 5.0	≤ 5.0	≤ 5.0	≤ 5.0
Cladding Non-circularity		%	≤ 1.0	≤ 1.0	≤ 1.0	≤ 1.0
Core-cladding Concentricity Error		μm	≤ 1.5	≤ 1.5	≤ 1.0	≤ 1.0
Coating Diameter		μm	245±7	245±7	245±7	245±7
Coating Non-circularity		%	≤ 6.0	≤ 6.0	≤ 6.0	≤ 6.0
Cladding-coating Concentricity Error		μm	≤ 12.0	≤ 12.0	≤ 12.0	≤ 12.0
OFL Bandwidth	850nm	MHz·km	≥ 160	≥ 500	≥ 1500	≥ 3500
OFL Bandwidth	1300nm	MHz·km	≥ 500	≥ 500	≥ 500	≥ 500

Cable Parameter

Items		Specifications
Fiber Count		1~24
Bare Fiber	OD	0.25±0.015mm
Bare Fiber	Color	Blue, orange, green, brown, grey, white, red, black, yellow, purple, violet, aqua
Loose Tube	OD	1.8±0.05mm
	Material	PBT
	Color	Natural
Strength Member	OD	0.7mm±0.1mm
Strength Member	Material	Steel
Outer Jacket	OD	8.0±0.3mm
	Material	PE
	Color	Black

Mechanical & Environmental Characteristics

Item		Parameter
Tension Resistance (N)	Long Term	600
Tension Resistance (N)	Short Term	1500
Crush Resistance (N/100mm)	Long Term	1000
Crush Resistance (N/100mm)	Short Term	3000
Min. Bend Radius (mm)	Dynamic	20D
Min. Bend Radius (mm)	Static	10D
Environment (℃)	Installation	-20～+60
	Operating	-40～+70
	Storage	-40～+70