Specification
TDO 18/08
Transmission element – each 4 cores are twisted a star quad, the quads are stranded to units, the units are stranded to the cable core.
Application
» for basic phone services in analogue and digital transmission systems
» for aerial use
Environmental conditions
Temperature ranges for laying and assembly –10 °C to +60 °C
Operation and store temperatures – 40 °C to +70 °C
Permitted minimum bending radius min. 10D
Cable lifetime min. 30 years
D – outside cable diameter
Electrical parameters (20 °C)
| Conductor diameter | mm | 0.6 | 0.8 |
|---|---|---|---|
| Max. loop resistance | Ω/km | 130.0 | 72 |
| Insulation resistance min. | GΩ.km | min. 5 | min. 5 |
| Mutual capacitance | nF/km | 42 | 42 |
| Capacity unbalance k1 at 800 Hz | pF/500 m | 800 | 300 |
| Test voltage wire/wire at 50 Hz | V | 500 | 500 |
| Test voltage wire/shield at 50 Hz | V | 2,000 | 2,000 |
| Operating voltage max. | Vss | 250 | 250 |
| Wire/core diameter 0.6/1.33 mm | Wire/core diameter 0.8/1.75 mm | |||||||
| Number of units | External diameter [mm] | External diameter steel rope (mm) | Net weight [kg/km] | Standard production length [m] | External diameter [mm] | External diameter steel rope (mm) | Net weight [kg/km] | Standard production length [m] |
| 1 | 8.5 | 2.15 | 86 | 2,000 | 9.5 | 2.15 | 105 | 2,000 |
| 3 | 13 | 2.15 | 171 | 1,000 | 14.3 | 3.0 | 240 | 1,000 |
| 5 | 13.6 | 3.0 | 223 | 1,000 | 16.6 | 4.15 | 360 | 1,000 |
| 10 | 16.5 | 4.15 | 365 | 1,000 | 19.4 | 4.15 | 501 | 1,000 |
| 15 | 19.6 | 4.15 | 484 | 1,000 | 23.4 | 4.15 | 693 | 1,000 |
| 20 | 21.4 | 4.15 | 576 | 1,000 | 26.9 | 5.0 | 913 | 1,000 |
| 25 | 23.8 | 5.0 | 717 | 1,000 | 29.7 | 6.0 | 1,095 | 1,000 |