Figure 8 self-supporting Center Tube Optical cable GYXTC8Y
The fibers, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound.
This part of cable companied with the wires as the supporting part are completed with a PE sheath to be figure 8 structure.
This specification covers the general requirements of Figure 8 self-supporting Center Tube Optical cable for aerial .
· Non-metal strength has an excellent anti-electromagnet ability
· Proven loose tube design for good performance
· Excellent mechanical and environmental characteristics
· Good flexibility and bending performance
· Small outer diameter,light weigh easy to installation
· Proven loose tube design for good performance
· Excellent mechanical and environmental characteristics
· Good flexibility and bending performance
· Small outer diameter,light weigh easy to installation
Cable construction details
Number of fiber | 2~12core | |||||||
Moisture Barrier | Water blocking system | |||||||
Central strength member | material | FRP | ||||||
diameter | 1.4mm | |||||||
Mental strength member | material | Galvanized steel wire | ||||||
diameter | 1.2 mm | |||||||
Loose tube | material | PBT | ||||||
diameter | Ф2.0mm | |||||||
Cable filling | material | Cable filling compound | ||||||
Outer sheath | material | PE | ||||||
diameter | 1.70±0.2mm |
Fiber color
Number of fiber per tube 8cores |
1 | 2 | 3 | 4 | 5 | 6 |
Blue | Orange | Green | Brown | Grey | White | |
7 | 8 | 9 | 10 | 11 | 12 | |
Red | Black | Yellow | Violet | Pink | Aqua |
Cable Mechanical characteristic
core | Cable diameter | weight | |||||
2 cores to24 cores | 3.2 * 6.5mm | 55 ±5 kg/km | |||||
Min Bending Radius(mm) | Long term | 10D | |||||
Min Bending Radius(mm) |
Short term | 20D | |||||
Min allowable Tensile Strength(N) |
Long term | 600 | |||||
Min allowable Tensile Strength(N) |
Short term | 1500 | |||||
Crush Load (N/100mm) | Long term | 600 | |||||
Crush Load (N/100mm) | Short term | 1500 | |||||
Operation temperature (℃) |
-40+70 | ||||||
Installation temperature(℃) |
-15+60 |
Fiber characteristic
Fiber style | Unit | SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
MM OM3-300 |
|
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 |
|
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 |
||
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 | ---- | ---- | ---- |
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 |
Cable marking and cable reel marking
The cable sheath shall be marked with white characters according to customer's requirement.