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Optical fiber cable GYTA

GYTA fiber optic cable is used for duct or aerial applications; we supply the single mode GYTA and multimode GYTA cables. These aluminum tape armored cables are suitable for installation for long haul communication and LANs, especially suitable for the situation of high requirements of moisture resistance.

GYTA is the stranded loose tube fiber optic cable with compact structure; the cable jacket is made of strong Polyethylene. This fiber optic cable features the good mechanical and temperature performance. GYTA is with high strength loose tube that is hydrolysis resistant and the optical cable filling materials ensure high reliability, its APL makes the cable crush resistant and moisture proof. The GYTA fiber optic cable is available from 2 cores to 144 cores.

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Product Description

Cable Specification
1. Sheath Marking
2. The color of marking is natural, but if the remarking is necessary, the yellow color marking shall be printed newly on a different position. The marking interval is 1 meter.
3. An occasional unclear of length marking is permitted if both of the neighboring markings are clear.
4. The both cable ends are sealed with heat shrinkable end caps to prevent water ingres. Ends A is red, and ends B is green.
5. Fiber Color Indentification

Fibers colors marked according to Full Color Identification, the colors shall be chosen from the colors in the following sheet. Natrual is allowed if no affection to the identification.

No.	1	2	3	4	5	6	7	8	9	10	11	12
Color	Blue	Orange	Green	Brown	Gray	White	Red	Black	Yellow	Violet	Pink	Aqua

Loose tube

Loose tubes color identification used in cable is Indicatory Color Indentification.When faced to the cable’s ends A, the number is increased by the clockwise direction, and the number of loose tubes and the colors shall conform to the following sheet. If loose tubes are not enough, using fillers instead, and the fillers are all white.

Item	1	2	3	4	5	6	7	8	9	10	11	12
Color	red	Green	Natural(N)	N	N	N	N	N	N	N	N	N

Cable Construction Parameter:

Fiber number	2～30	32～36	38～60	62～72	74～84
Tube outer diameter(mm)	1.9	1.9	2.3	2.3	2.3
Tube number	5	6	5	6	7
Max. fiber number per tube	6	6	12	12	12
Cable outer diameter(mm)	9.7	10.2	10.7	11.4	12.1
Cable weight(Kg/Km)	85	100	110	135	140
Fiber number	86～96	98～108	110～120	122～132	134～144
Tube outer diameter(mm)	2.3	2.3	2.3	2.3	2.3
Tube number	8	9	10	11	12
Max. fiber number per tube	12	12	12	12	12
Cable outer Diameter(mm)	12.8	13.5	14.2	15.0	15.7
Cable weight (Kg/Km)	150	165	180	195	215

Fiber properties (The properties of SM optical fiber ITU-T Rec.G.652D)

Items	Specified Values
Fiber Type	G.652 Single-mode fiber
Mode Field Diameter@1310nm	9.2±0.4μm
Cladding Diameter	125.0±1.0μm
Mode Field Concentricity Error	≤0.5μm
Cladding No Circularity Error	1.0%
Cut-Off Wavelength	λcc(test 20m cable+2m fiber) ≤1260 nm
Attenuation Coefficient 1310nm 1550nm	≤0.36 dB/km ≤0.22 dB/km
Dispersion Coefficient	1288-1339nm≤3.5ps/nm.km 1270-1360nm≤5.3ps/nm.km 1550nm≤18ps/nm.km 1625nm≤22ps/nm.km
Zero Dispersion Wavelength	1300nm-1324nm
Zero Dispersion Slope	≤0.09ps/nm².km
PMD_Q^*	PMD_Q^*≤0.2ps/km^1/2
Coating Diameter	245±10μm
Proof Test	100kpsi（0.7Gpa）

* PMD_Q is a link of 20 cable sections (M) and a probability level of 0.01% (Q)

Characteristic of Optical Cable
1. Mechanical & environmental characteristics
  1. Cable bending radius:

Static：12.5×cable diameter
Dynamic：25×cable diameter

Temperature Ranges

Operating Temperature	-40℃~+60℃
Storage and Transportation Temperature	-50℃~+70℃
Installation Temperature	-20℃~+60℃

Main mechanical & environmental characteristics test

Item	Testing	Test Method	Acceptance Requirement
1	Tensile strength IEC 60794-1-E1	Long term：1000N Short term：3000N Cable length：≥50m	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
2	Crush Resistance IEC 60794-1-E3	Long term：1000 N/100mm Short term：3000 N/100mm Add time：1 minute	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
3	Impact IEC 60794-1-E4	Height：１ｍ weight： 1kg Impact spot：≥5 Impact cycle：at lease 3 cycle per spot	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
4	Repeated Bending IEC 60794-1-E6	Bending diameter：25X the cable outer diameter Applied load：25kg Bending cycle：30 times Bending speed：1 cycle per 2 s	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
5	Torsion IEC 60794-1-E7	Torsion length：1ｍ Applied load：25kg Torsion angle：±90 or +180 Twist cycle：≥10 times	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
6	Water Penetration IEC 60794-1-F5B	Water height：1ｍ Cable length：3ｍ Keeping time：24 hours	No water leaked from the opposite end of cable
7	Temperature IEC 60794-1-F1	Temperature step：＋20℃、－40℃、＋60℃、＋20℃　 Keeping time：24 hours per each step Cycle：2 times	Loss change≤0.1dB@1550nm No fiber break and no sheah damage
8	Compound flow IEC 60794-1-E14	Sample length：30cm Temperature：70℃±2℃ Keeping time：24 hours	No compound flow
9	Sheath high voltage Test	On line test DC 9t kV（t -sheath thickness，mm）	No sheath brokendown

Packing and Marking
1. Packing

Each single length of cable shall be reeled on Wooden Drum.
The both cable ends are sealed with heat shrinkable end caps to prevent water ingres. Ends A is red, and ends B is green.
At least 1 m of inside end of cable will be reserved for testing.

Drum Marking(can according to the requirement in the technical specifications)

Manufacturer name;
Manufacturing year and month;
Roll-direction arrow;
Cable type and size;
Drum number;
Cable length;
Gross weight;
Other customer information such as contract no., project no., and delivery destination. (if needed)
5.3. Cable identification documents

Product qualified certificate;
Test report.

*Verify Code

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