Page 6 - Optc Series

Layer-stranded single Armored and Double

Sheathed Optical Cable(GYTY53)

D177S/D179S
Optic Series

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

Fiber color code
1 2 3 4 5 6 7 8 9 10 11 12
Blue Orange Green Brown —— —— —— —— —— —— —— ——
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 —— —— —— —— —— —— —— —— —— —— ——
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 4 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 1 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 11.2 Flexing conform to IEC 794-1-E8
7 Cable weight kg/km 140 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℃
Storage/transportation -40℃~+60℃
G652D fiber information 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. D177S 2-144 cores Single Mode
Dispersion in the range 1288 to 1339nm:≤3.5ps/(nm km). D179S 2-144 cores Multimode
Dispersion at 1550nm:≤18ps/(nm km).
Dispersion slope at zero dispersion wavelength:≤0.092ps/(nm2 km).

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