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What is the GYTA fiber optic cable?

Views:3550     Author:James Xu     Publish Time: 18-09-2018      Origin:https://www.zion-communication.com/

GYTA


      GYTA(Stranded Loose Tube Single Jacket Cable) 


Structural features:Stranded Loose Tube Cable GYTA

Optical fiber applications place:  Overhead laying,DUCT

Fiber optic cable types:GYTA

Fiber Numbers:1-144 fibers

Recommended index: 5 stars

Outdoor communication, metal reinforcement, center tube, full fill, steel-polyethylene bonded sheath cable

Description


The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. A steel wire, sometimes sheathed with polyethylene (PE) for cable with high fi ber count, locates in the center of core as a metallic strength member. Tubes (and fillers) are stranded around the strength member into a compact and circular cable core. The PSP is longitudinally applied over the cable core, witch is filled with the filling compound to protect it from water ingress. Then, the cable is completed with a PE sheath.

 

Characteristics


Good mechanical and temperature performance.

High strength loose tube that is hydrolysis resistant.

Special tube filling compound ensure a critical protection of fiber.

Special designed compact structure is good at preventing loose tube from shrinking.

Crush resistance and flexibility.

PE sheath protects cable from ultraviolet radiation

The following measures are taken to ensure the cable watertight:

Steel wire used as the central strength member

Loose tube filling compound

100% cable core filling

PSP enhancing moisture-proof

Application:duct/aerial/direct buride


Fibre Colours


 

No.

1

2

3

4

5

6

Color

Blue

Orange

Green

Brown

Gray

White

No.

7

8

9

10

11

12

Color

Red

Black

Yellow

Violet

Pink

Aqua

 

Loose Tube Colours

 

No.

1

2

3

4

5

6

Color

Blue

Orange

Green

Brown

Gray

White

No.

7

8

9

10

11

12

Color

Red

Black

Yellow

Violet

Pink

Aqua

 

 


Fiber optic cable uses : The properties of single mode optical fiber (ITU-T Rec. G.652.D)

 


Item

Specification

Fiber type

Single mode

Fiber material

Doped silica

Attenuation coefficient

@ 1310 nm

@ 1383 nm

@ 1550 nm

@ 1625 nm

 

£ 0.35 dB/km

£ 0.32 dB/km

£ 0.21 dB/km

£ 0.24 dB/km

Point discontinuity

£ 0.05 dB

Cable cut-off wavelength

£ 1260 nm

Zero-dispersion wavelength

1300 ~ 1324 nm

Zero-dispersion slope

£ 0.092 ps/(nm2.km)

Chromatic dispersion

@ 1288 ~ 1339 nm

@ 1271 ~ 1360 nm

@ 1550 nm

@ 1625 nm

£3.5 ps/(nm. km)

£5.3 ps/(nm. km)

£18 ps/(nm. km)

£22 ps/(nm. km)

PMDQ (Quadrature average*)

£0.2 ps/km1/2

Mode field diameter @ 1310 nm

9.2±0.4 um

Core / Clad concentricity error

£ 0.5 um

Cladding diameter

125.0 ± 0.7 um

Cladding non-circularity

£1.0%

Primary coating diameter

245 ± 10 um

Proof test level

100 kpsi (=0.69 Gpa), 1%

Temperature dependence

0oC~ +70oC @ 1310 & 1550nm

£ 0.1 dB/km


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