1) Fiber Allocation Scheme
| Fiber number | Tube number | Fiber per tube | Fiber type | 
| 1 | ---- | ---- | Single mode or Multi mode | 
 
2) Cable construction details
| Items | Description | 
| Fiber Counts | 1 cores | 
| Tight Buffer | Material | PVC (LSZH、Hytrel、PA or Customer required)S | 
| Thickness(mm) | ≥0.15、≥0.25、≥0.3 | 
| Color | 12 Colors | 
 
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
| Items | Cable Dia (mm) | Weight (kg/km) | Allowable Tensile Strength(N) | Crush Load (N/100mm) | 
| Long term | Short term | Long term | Short term | 
| GJJV Xn | 0.6±0.05 | 0.7 | 3 | 6 | 100N/100mm/1min, No broken to the fiber , No damage to the sheath | 
| 0.8±0.05 | 0.8 | 3 | 6 | 
| 0.9±0.05 | 0.9 | 60 | 100 | 
| Min Bending Radius(mm) | Long term | 10D | 
| Short term | 20D | 
| Temperature characteristic | Base on the working temperature rang: Dwell time 8H/2cycles, The variation on attenuation:SM≤0.5 dB/km;MM≤0.3 dB/km | 
| Hight temperature and humidity ability | ≥200h,85℃/85%RH | 
| Shrinkage | LSZH、PVC:≤5%;Hytrel、PA:≤1%;Special on request:≤0.5% | 
| Cable Coiling | 60mm/2N/ 6circles /3 times,No broken to the fiber、No damage to the sheath. | 
| Installation Temperature range | -5 ~ +50℃ | 
| Operation and transport temperature | -20 ~ +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 | 0.6/0.5 | / | / | / | / | / | 
| G657A1 | 0.5/0.4 | 0.6/0.5 | / | / | / | / | / | 
| G657A2 | 0.4/0.3 | 0.5/0.4 | / | / | / | / | / | 
| G657B3 | 0.5/0.4 | 0.6/0.5 | / | / | / | / | / | 
| 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 | 3.0/1.0 | ≥1500/500 | ≥2000 | 300 | 
| OM4-550 | / | / | 2.5/0.8 | 3.0/1.0 | ≥3500/500 | ≥4700 | 550 | 
Note: The above optical characteristics are after cable