1) Fiber Allocation Scheme
Fiber number | Tube number | Fiber per tube | Fiber type |
2 ~ 24 | 1 | 2 ~ 24 | Single mode or Multi mode |
2) Cable construction details
Item | Description |
Fiber Counts | 2-24 cores |
Strength Member | Material | Aramid yarn |
Color | Yellow |
Tight Buffer | Dia (mm) | 0.9±0.05mm |
Material | PVC (LSZH、Hytrel、PA or Customer required) |
Color | 12 Colors |
Outer Jacket | Material | PVC (LSZH or Customer required) |
Color | Yellow, Aqua, Purple or Orange |
Thickness(mm) | 0.4±0.1 mm |
3) Standard color of fiber and tube
The color code of the tubes and the individual fibers, shall be in accordance with the table as below:
Standard Colour Identification |
|
No. | 1 | 2 | 3 | 4 | 5 | 6 |
Color | Blue | Orange | Green | Brown | Slate | White |
No. | 7 | 8 | 9 | 10 | 11 | 12 |
Color | 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 |
Note: The color can be required by customers.
4) Cable Mechanical characteristic
Item | Cable Dia (mm) | Weight (kg/km) | Allowable Tensile Strength(N) | Crush Load (N/100mm) |
Long term | short term | Long term | short term |
GJFV-12 Xn | 3.0±0.2 | 7.8 | 80 | 150 | 150 | 500 |
GJFV-24 Xn | 3.0±0.2 | 8.2 | 80 | 150 | 150 | 500 |
Min Bending Radius(mm) | Long term | 10D |
Short term | 20D |
Temperature characteristic | Base on the working temperature range: Dwell time 8H/2cycles. The variation on attenuation：SM≤0.5 dB/km；MM≤0.3 dB/km |
Hight temperature and humidity ability | ≥500h，85℃/85%RH，No damage to the sheath |
Installation Temperature range | -5 ~ +50℃ |
Operation and transport temperature | -10 ~ +60℃ |
NOTE : Xn indicates the selected fiber models
5) Requirement for Order
(1) Fiber sort: Single mode: G652, G657, Multi mode: OM1, OM2, OM3, OM4.
(2) Fiber brand: YOFC, Corning, Fiberhome, Fujikura, OFS etc.
(3) Jacket material: PVC、LSZH ( can be required).
(4) The fiber and tube color: according to stranded color, can be required.
(5) Length of cable: generally is 2KM, can be required.
(6) Other requirement: can be negotiated.
6) Fiber optical Characteristic (after cable)
Fiber type | Attenuation | OFL bandwidth | Effective modal bandwidth | 10 Gb/s Link Length |
Conditions | 1310/1550nm | 850/1300nm | 850/ 1300nm | 850nm | 850nm |
Typical | Maximum | Typical | Maximum |
Unit | dB/km | dB/km | dB/km | dB/km | MHz.km | MHz.km | m |
G652D | 0.5/0.4 | 0.8/0.6 | / | / | / | / | / |
G657A1 | 0.5/0.4 | 0.8/0.6 | / | / | / | / | / |
G657A2 | 0.5/0.4 | 0.8/0.6 | / | / | / | / | / |
G657B3 | 0.5/0.4 | 0.8/0.6 | / | / | / | / | / |
62.5/125 | / | / | 3.5/1.0 | 3.5/1.5 | ≥160/500 | / | / |
50/125/ OM1 | / | / | 3.0/1.0 | 3.5/1.5 | ≥200/500 | / | / |
50/125/ OM2 | / | / | 3.0/1.0 | 3.5/1.5 | ≥500/500 | / | / |
OM3-150 | / | / | 3.0/1.0 | 3.5/1.5 | ≥700/500 | ≥950 | 150 |
OM3-300 | / | / | 2.5/0.8 | 3.5/1.5 | ≥1500/500 | ≥2000 | 300 |
OM4-550 | / | / | 2.5/0.8 | 3.5/1.5 | ≥3500/500 | ≥4700 | 550 |
Note: The above optical characteristics are after cable