| Customization: | Available |
|---|---|
| Application: | Local Communication Cable |
| Conductor Material: | Copper |
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cable construction drawing
1. Size: 10-2400pairs
Executive Standard: YD/T 322-1996
Referred Standard: IEC, ASTM, BS
2. Structure: annealed copper conductor, solid polyolefin insulation, Jelly filled, polyester coated aluminum tape (PAP) longitudinally wrapped, inner sheathed, outer PE sheathed local communication cable
3. Min. bending radius: Not less than 15 times of the outer diameter when the outer diameter is not more than 40mm and not less than 20 times of the outer diameter when the outer diameter larger than 40mm
4. Usage: Transmitting audio frequency signals, analog signals up to 150kHz or digital signals up to 2048kbit/s and in certain condition can carry digital signals, which is higher than 2048kbit/s
5. Application mode: Direct buried
6. Inner packing: Delivery on wooden-iron composite drums, kraft paper, bubble film,strong enough suitable for handling, long distance shipment and storage
7. Outer packing: Wooden battens to be used to protect the drummed cable or even a metal tape secured outside
Technical data
| Specifications | Measurement unit | Conductor size (mm) | ||||
| 0.4 | 0.5 | 0.65 | 0.9 | |||
| Electricity indicators | ||||||
| Conductor resistance at 20oC | Ohm/km | |||||
| Average value | Ohm/km | 139 | 88.7 | 52.5 | 27.4 | |
| Maximum distinctive value | Ohm/km | 147 | 93.5 | 56.5 | 29 | |
| Average value | Ohm/km | 2 | 1.5 | 1.5 | 1.5 | |
| Maximum distinctive value | Ohm/km | 5 | 5 | 4 | 4 | |
| Operating capacitance at 20oC | nF/km | |||||
| Average value | ||||||
| Less than12 pairs | nF/km | 52 ± 4 | ||||
| More than12 pairs | nF/km | 52 ± 2 | ||||
| Maximum distinctive value | nF/km | |||||
| Less than12 pairs | nF/km | ≤ 58 | ||||
| More than12 pairs | nF/km | ≤ 57 | ||||
| Transmission attenuation at 20oC | dB/km | |||||
| At 1 KHz | dB/km | 1.85 ± 3% | 1.44 ± 3% | 1.13 ± 3% | 0.82 ± 3% | |
| At 150 KHz | dB/km | 12.3 | 8.9 | 6 | 5.4 | |
| At 772 KHz | dB/km | 23.6 | 19.8 | 13.9 | 12 | |
| Crosstalk attenuation at far end at20oC | dB/km | |||||
| At 150 KHz | dB/km | 52/56 | 52/58 | 52/57 | 54/60 | |
| At 772 KHz | dB/km | 38/42 | 38/44 | 38/44 | 40/46 | |
| Crosstalk attenuation at near end at20oC | dB/km | |||||
| At 150 KHz | dB/km | 53/58 | 53/58 | 53/58 | 53/58 | |
| At 772 KHz | dB/km | 42/47 | 42/47 | 42/47 | 42/47 | |
Packing mode: wooden drum + bubble film+ kraft paper
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