Flat Twin Duplex Indoor armored Cable use 900μm or 600μm flame-retardant tight buffer fiber as optical communication medium.
The tight buffer fiber wrapped with a layer of steel wire , and aramid yarn as strength member units,such unit is extruded with a layer of PVC or LSZH material as inner jacket.
Then the cable is completed with a layer of flat PVC or LSZH(Low smoke,Zero halogen,Flame-retardant) jacket as out sheath .
Cable construction details :
| Technical Parameters: | |||||||
| Out Diameter(MM) | 3.0×5.0 | Weight(KG) | 95 | ||||
| Storage temperature(℃) | -20+60 | ||||||
| Min Bending Radius(mm) | Long term | 10D | |||||
|
Min Bending Radius(mm) |
Short term | 20D | |||||
|
Min allowable Tensile Strength(N) |
Long term | 300 | |||||
|
Min allowable Tensile Strength(N) |
Short term | 1000 | |||||
| Crush Load (N/100mm) | Long term | 500 | |||||
| Crush Load (N/100mm) | short term | 1000 | |||||
Standard color of fiber and tube
| Standard Colour Identification | ||||||||
| No. | 1 | 2 | ||||||
| Color | Yellow | White | ||||||
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 |
---- | ---- | ||