Page 7 - Optc Series

Layer--stranded Reinforced Armored and Double

Sheathed Optical Cable(GYTA53)

D176S/D178S
Optic Series

Introduction
The fibers are placed in a loose tube made of PBT. The tubes PE Outer Sheath
are filled with a water-resistant filling compound. A steel wire PSP
sometimes sheathed with PE for cable with high fiber count, Fiber
locates in the center of core as a metallic strength member. Tube Filling Compound
Tubes (and fillers) are stranded around the strength member Loose tube
into a compact and circular cable core. An Aluminum CSM-steel Wire
Polyethylene Laminate is applied around the cable core, which Filler
is filled with the filling compound to protect it from water ingress. APL
Then the cable core is covered with a thin PE inner sheath. After Water-blocking material
the PSP is longitudinally applied over the inner sheath, the cable
is completed with a PE out sheath.

Fiber color code
1 2 3 4 5 6 7 8 9 10 11 12
Blue Orange Green Brown Gray White —— —— —— —— —— ——
Fiber color in each tube starts from No. 1 Blue.

Color codes for loose tube & filler rod
1 2 3 4 5 6 7 8 9 10 11 12
Blue Orange —— —— —— —— —— —— —— —— —— ——
Tube color in each layer starts from No. 1 Blue. If there are fillers, the color is nature.
Cable structure and parameter Characteristic of Optical Cable

SN Item Unit Value Mechanical characteristic and test method
1 No. of fibers count 8 Tensile strength conform to IEC 794-1-E1
2 No. of fibers per tube(max) count 4 Crush conform to IEC 794-1-E3
3 No. of elements count 2 Impact conform to IEC 794-1-E4
4 Tube diameter mm 1.7 Repeated bending conform to IEC 794-1-E6
5 Outer sheath wall thickness mm 1.8 Torsion conform to IEC 794-1-E7
6 Cable diameter mm 12.4 Flexing conform to IEC 794-1-E8
7 Cable weight kg/km 210 Cable bend conform to IEC 794-1-E11
8 Short term tension N 3000 Water penetration conform to IEC 794-1-F5B
9 Short term crush N/100mm 3000 Operation -40℃~+60℃
Note: Mechanical sizes are nominal values. Temperature requirement Installation -10℃~+60℃
G652D fiber information Storage/transportation -40℃~+60℃
Temperature cycling test conform to IEC 794-1-F1
Mode field diameter (1310nm):9.2μm±0.4μm. Unloaded
10 times of outer diameter
Mode field diameter (1550nm):10.4μm±0.8μm. Bending Radius loaded
Cladding diameter:125μm±1.0μm. 20 times of outer diameter
Coating diameter:245μm±7μm.
Cut off wavelength of cabled fiber ( cc):≤1260μm. Order Information
Attenuation at 1310nm:≤0.35dB/km. Item Specification Description
Attenuation at 1550nm:≤0.21dB/km.
Bending loss at 1550nm (100 turns, 30mm radius):≤0.05dB. D176S 2-144 cores Single Mode
Dispersion in the range 1288 to 1339nm:≤3.5ps/(nm km). D178S 2-144 cores Multimode
Dispersion at 1550nm:≤18ps/(nm km).
Dispersion slope at zero dispersion wavelength:≤0.092ps/(nm2 km).

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