Data cable, 1 STP – Type 4021
Construction characteristics
Shielded twisted pair: 1.00 mm² bare copper conductor insulated with
PE.Two conductors twisted together with a bare copped drain wire and aluminium/polyester foil (1 each)
Outer jacket: Polyurethane jacket. Colour blue
Mechanical characteristics
Diameter: 8.00 mm ±0.30 mm
Weight in air: 76 kg/km nom
Weight in seawater: 33 kg/km nom
Min. bending radius, static: 95 mm
Min. bending radius, dynamic: 120 mm
Depth rating: 3,000 m
Electrical characteristics
Operating voltage: 750 V
Test voltage: 4,000 V DC for 1 min
Conductor resistance: ≤ 20.0 ohm/km
Insulation resistance: ≥ 500 Mohm×km (cond. – cond.)
≥ 10 Mohm×100 m (cond. – shield)
Capacitance: 85 pF/m nom
Impedance: 65 ±5 Ohm at 1-10 MHz
Attenuation: 4.5 dB/100 m at 1 MHz
11.5 dB/100 m at 10 MHz
