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The structure of the GYTC8S cable is to insert a single-mode or multi-mode fiber into a loose tube made of a high modulus polyester material filled with a waterproof compound. The center of the core is a metal reinforcing core. The loose tube (and the filling rope) is twisted around the center reinforcing core into a compact circular core. The gap in the core is filled with water-blocking filler, plastic coated steel strip (PSP). After vertical packing, the steel wire strands are integrated into a figure-eight polyethylene sheath to form a cable. This product is used for self-supporting overhead laying.
Features:
1.Precise control of the excess length of the fiber ensures that the cable has good tensile properties and temperature characteristics;
2.The loose tube material itself has good hydrolysis resistance and high strength;
3.The tube is filled with a special grease to critically protect the fiber;
4.Polyethylene (PE) jackets have good UV radiation resistance.
The following measures are taken to ensure the waterproof performance of the cable:
1- Single wire center reinforcement core
2- The loose tube is filled with special waterproof compound
3- complete core filling
4- Plastic coated steel strip (PSP) against lateral pressure
IEC 60793-1, 60793-2, 60794-1
ITU-T G650, G652
MFD(1310nm) | 9.2mm±0.4mm |
MFD(1550nm) | 10.4mm±0.8mm |
Cladding diameter | 125mm±1.0mm |
Fiber diameter | 250 ± 15 mm (Colored) |
Cladding non circularity | £1.0% |
Cut off wavelength | £1260nm |
Attenuation coefficient | 1310nm: £0.35dB/km |
1550nm: £0.215dB/km | |
Bending-loss performance of optical fiber | £0.05dB |
Polarization mode dispersion | £0.1ps/Ökm |
Zero-dispersion wavelength | 1300 – 1324 nm |
Zero-dispersion slope | £0.092ps/(nm2•km) |
Tensile strength | 2850N, conform to IEC 794-1-E1 while fiber strain is ≤0.33% |
Crush | 2200N/100mm, conform to IEC 794-1-E3 |
Impact | conform to IEC 794-1-E4 |
Repeated bending | conform to IEC 794-1-E6 |
Temperature cycling test | conform to IEC 794-1-F1 |
Each fiber will be identifiable throughout the length of the cable in accordance with the following color sequence. Fiber color in each tube starts from No. 1 Blue.
Fiber color code | 1 | 2 | 3 | 4 | 5 | 6 |
Blue | Orange | Green | Brown | Slate | White | |
7 | 8 | 9 | 10 | 11 | 12 | |
Red | Black | Yellow | Violet | Rose | Aqua |
The loose tubes will be identifiable in accordance with the following color sequence, and each tube with 12 fibers. If there are fillers, the color is natural.
Fiber color code | 1 | 2 | 3 | 4 | 5 | 6 |
Blue | Orange | Green | Brown | Slate | White | |
7 | 8 | 9 | 10 | 11 | 12 | |
Red | Black | Yellow | Violet | Rose | Aqua |
Coloring Workshop
Package and Shipping:
a. All of our fiber optic cable package are with export wooden drum.
b. 2~3km/drum, Outdoor fiber optic cable's wooden dimension is 110cm*110cm*71cm, 0.85CBM,
c. Can be load about 39 drums for a 20GP.
Also accept custom cable drum from customers. welcome to contact us!