Customization: | Available |
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Application: | Communication, Optic Cable |
Type: | Single-mode Fiber |
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Unitube (Central Loose) Outdoor Cable GYXTW |
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1. Cable Description The fibers are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. The tube is wrapped with a layer of corrugated steel tape. Between the corrugated steel tape and the loose tube water-blocking material is applied to keep the cable compact and watertight. Two parallel steel wires are placed at the two sides of the steel tape. The cable is completed with a polyethylene (PE) sheath. |
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2.Application This specification covers the general requirements of Central Loose Tube Outdoor Cable for aerial or duct. |
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3. Characteristics · Good mechanical and temperature performance. · High strength loose tube that is hydrolysis resistant. · Special tube filling compound ensure a critical protection of fiber. · Crush resistance and flexibility. · Two parallel steel wires ensure tensile strength. · Small diameter, light weight and friendly installation. |
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4.Cable construction details | ||||||||
Number of fiber | 24core | |||||||
Loose tube | material | PBT | ||||||
diameter | Ф2.2(outer/inner) | |||||||
Tube-filling | Tube filling compoun | |||||||
Steel wire | size | 0.8mm | ||||||
Number | 2 | |||||||
Outer sheath | material | PE,HDPE,LDPE | ||||||
diameter | 1.8±0.2mm | |||||||
5. Fiber color | ||||||||
Number of fiber per tube 12cores |
1 | 2 | 3 | 4 | 5 | 6 | ||
Blue | Orange | Green | Brown | Grey | White | |||
7 | 8 | 9 | 10 | 11 | 12 | |||
Red | Black | Yellow | Violet | Pink | Aqua | |||
Color 13~24 will be marked with a black tracer. For black color no need marked black tracer, will use nature color instead. | ||||||||
6.Cable Mechanical characteristic | ||||||||
core | Cable diameter | weight | ||||||
24 | 8.0mm+-0.3mm | 65kg/km+-10kg | ||||||
Temperature range | -40+70 | ----- | ||||||
Min Bending Radius(mm) | Long term | 10D | ||||||
Min Bending Radius(mm) |
Short term | 20D | ||||||
Min allowable Tensile Strength(N) |
Long term | 1200 | ||||||
Min allowable Tensile Strength(N) |
Short term | 1500 | ||||||
Operation temperature (ºC) |
-40+70 | |||||||
Installation temperature(ºC) |
-20+60 | |||||||
Storage temprature (ºC) |
-40+70 | |||||||
7.Fiber characteristic | ||||||||
Fiber style | Unit | SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
MM OM3-300 |
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condition | nm | 1310/1550 | 1310/1550 | 850/1300 | 850/1300 | 850/1300 | ||
attenuation | dB/km | ≤ | ≤ | ≤ | ≤3.0/1.0 | ≤3.0/1.0 | ||
0.36/0.23 | 0.34/0.22 | 3.0/1.0 | ---- | ---- | ||||
Dispresion | 1550nm | Ps/(nm*km) | ---- | ≤18 | ---- | ---- | Dispresion | |
1625nm | Ps/(nm*km) | ---- | ≤22 | ---- | ---- | |||
Bandwith | 850nm | MHZ.KM | ---- | ---- | >=400 | >=160 | Bandwith | |
1300nm | MHZ.KM | ---- | ---- | >=800 | >=500 | |||
Zero dispersion wavelength | nm | 1300-1324 | >=1302, ≤1322 |
---- | ---- | >= 1295, ≤1320 |
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Zero dispresion slope | nm | ≤0.092 | ≤0.091 | ---- | ---- | ---- | ||
PMD Maximum Individual Fibr | ≤0.2 | ≤0.2 | ---- | ---- | ≤0.11 | |||
PMD Design Link Value | Ps(nm2*k m) |
≤0.12 | ≤0.08 | ---- | ---- | ---- | ||
Fibre cutoff wavelength λc | nm | >= 1180, ≤1330 |
>=1180, ≤1330 |
---- | ---- | ---- | ||
Cable sutoff wavelength λcc |
nm | ≤1260 | ≤1260 | ---- | ---- | ---- | ||
MFD | 1310nm | um | 9.2+/-0.4 | 9.2+/-0.4 | ---- | ---- | ---- | |
1550nm | um | 10.4+/-0.8 | 10.4+/-0.8 | ---- | ---- | ---- | ||
Numerical Aperture(NA) |
---- | ---- | 0.200+/ -0.015 |
0.275+/-0. 015 |
0.200+/-0 .015 |
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Step(mean of bidirectional measurement) |
dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | ||
Irregularities over fiber length and point |
dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | ||
Dicontinuity | ||||||||
Difference backscatter coefficient |
dB/km | ≤0.05 | ≤0.03 | ≤0.08 | ≤0.10 | ≤0.08 | ||
Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | |||||
Core dimater | um | 50+/-1.0 | 62.5+/-2.5 | 50+/-1.0 | ||||
Cladding diameter | um | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | ||
Cladding non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ||
Coating diameter | um | 242+/-7 | 242+/-7 | 242+/-7 | 242+/-7 | 242+/-7 | ||
Coating/chaffinch concentrically error |
um | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ||
Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | ||
Core/cladding conentricity error | um | ≤0.6 | ≤0.6 | ≤1.5 | ≤1.5 | ≤1.5 | ||
Curl(radius) | um | ≤4 | ≤4 | ---- | ---- | ---- | ||
8.Package | ||||||||
1.Packing material: Wooden drum | ||||||||
2.Packing length: standard length of cable shall be 2 km. Other cable length is also availabler | ||||||||
if required by custome | ||||||||
9. Cable marking and cable reel marking | ||||||||
The cable sheath shall be marked with white characters according to customer's requirement. |