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Structure of Stranded Loose Tube Light Armored Ribbon Fiber Cable

The buffer tuber is one kind of the thermoplastic material and is made of polypropylene can nylon. The buffer tuber can be put in fiber cable loosely and protect optical fiber from interior stress and outer side pressure.
Optical fiber ribbon
filler: thermos softening material
The optical gel is filled in optical cables before they completed and sheaths to make water proof test and infiltration test.
The central strength member: high-count fiber cable and extruded polyethylene.
The water proofing material: filling compound.
The damp-proof layer: the aluminum-plastics tape can protect cable from damp.
The outer jacket uses black polyethylene and is easy to lay and transport.

Description of Stranded Loose Tube Light Armored Ribbon Fiber Cable

We insert single-mode or multi-mode into loose tube made of high modulus polyester material and filled with water proof compounds. The center of cable core is a metallic strength core. For the cables with a certain number of cores, the metallic strength core sheathed with polyethylene (PE). The loose tube (and filling rope) is twisted around the central strength core to form a compact circular core, whose cracks are filled with water blocking materials. Extruded polyethylene sheath into cable after the double chromium-plated plastic steel tape vertical wrapped. Finally, extruded polyethylene sheath into cable after armored of single steel wire.

Application of Stranded Loose Tube Light Armored Ribbon Fiber Cable

The stranded loose tube light armored ribbon fiber Cable (GYDTS) is suitable for access to network and interoffice communication (GYDTS)

Parameter

1. Technical parameter

Item	Content	Value
Item	Number of cable cores	48	96	144	216	288	432	576
Loose tube	Outer diameter	5.0	5.0	5.4	5.4	5.4	5.6	6.1
	Number of Loose Tube* number of cores per tube*	1*48	2*48	2*72	3*72	4*72	6*72	6*96
	Number of Loose Tube* number of cores per tube*	4*12	8*12	12*12	18*12	24*12	36*12	48*12
Reference outer diameter	mm	17.0	17.0	18.0	18.0	18.0	22.5	24.0
Center strength member	Material	Steel wire
	(mm)	2.0	2.0	2.2	2.2	2.2	2.2	2.2
	Coating diameter of strength member(mm)	-	-	-	-	-	6.0	6.5
Water blocking material	Material	Water blocking cable gel
Inner sheath	Thickness(0.1mm)	0.9
Armored layer	Material layer	Corrugated steel belt
Outer sheath	Thickness(0.2mm)	1.8
Range of operating temperature		-40- +70
Pull	Short-term/long-term(N)	1500/600
Flatten	Short-term/long-term(N)	1000/300
*According to customers requirements, the stranded loose tube armored cable can customize other structures or cores.

2. Characteristic of optical fiber

		G.652.D	G.655	50/125m	62.5/125m
Attenuation	@850nm	-	-	3.0dB/km	3.0dB/km
	@1300nm	-	-	1.0dB/km	1.0dB/km
	@1310nm	0.36dB/km	0.36dB/km	-	-
	@1550nm	0.22dB/km	0.23dB/km	-	-
Band width	@850nm	-	-	500MHzkm	200MHzkm
Band width	@1300nm	-	-	1000MHzkm	600MHzkm
Fiber cutoff wavelength		1260nm	1260nm	-	-
Polarization Mode Dispersion	Single optical fiber	0.20ps/km	0.20ps/km	-	-
Link value(M=20Q=0.01%)		0.10ps/km	0.10ps/km	-	-

3. Main machinery and environment performance

Item	Inspection standard	Specified value	Requirements
Pull	IEC 60794-1-2-E1	According to technical parameter	Additional attenuation for short term:0.1dB
Flatten	IEC 60794-1-2-E3	According to technical parameter	Additional attenuation for short term:0.1dB
Impact	IEC 60794-1-2-E4	The height is 1 meter punch hammer 450g at least 50 times1 450g 5	Residual additional attenuation:0.03dB
Backward and forward bending	IEC 60794-1-2-E6	150N 30	Residual additional attenuation:0.03dB
Twisting	IEC 60794-1-2-E7	1 180 10	Residual additional attenuation:0.03dB
Temperature recycle test	IEC 60794-1-2-F1	-40 +70	Change of additional attenuation0.05dB/km
* The monitoring of all optical fiber attenuations change is operated in wavelength of 1550nm.

Features

The structure of optical fiber belt has high number of core.
The tube has good flexibility and anti- bending capacity.
The product uses the high quality 4, 6, 12 core belt of the pacific optical cable, so the using is flexible.
The steady surplus control and cabling technology make the cable has the excellent machinery and environment performance.
The stranded loose tube light armored ribbon fiber Cable has good capability of resisting tension and temperature characteristics. The attenuation and dispersion of cable is low.
We use measures to ensure the water blocking performance as blew

Installation

Duct, Aerial

Operating Standards

YD/T 981.3-2009 access network ribbon fiber cable section 3
IEC 60794-1-1-2011 Cable Section 1-1