Applied to main network cable in the wiring phone exchange and allocate.
Main Chracteristics:
* All adopt the bulk, pensu and stainless steel rivet riveting.
* Have a grounding wire, cabinet and to mark, good electrical properties and physical properties.
* Wiring platoon and cabinet both sides have enough operating space, easy operation.
* In cable, import and export place has the seal lining.
* The combined part adopts and the rubber lining, the sealing fill with good sealing moistureproof property.
* Cabinet of cable has permanent into the position and storage card manual special files rack.
Main Performance Indexes:
* Environmental temperature: - 55 °C ~ + 55 °C
* Relative humidity: < 95%
* Card pieces and wires contact resistance: ≤5mΩ
* Each terminals rooms and any terminals between the insulation resistance: ≥5×104MΩ
* Each terminals and any terminals between between 1000V (RMS can bear 50Hz, not 1min) / breakdown, no fly arc
* Cliamper life expectancy: p 200 times
network optical distribution box for telecommucation