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Copper subscriber access cables
Underground
TK-... x 4/0.4 PE4D-ALT
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TK-... x 4/0.4 PE4D-ALT
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TK-... x 4/0.4 PE4D-ALT Telecommunication Copper cable with foam-skin insulation
Description

Preferencial uses

  • LF and ADSL Telecommunication networks [TC]
  • Swissnet RNIS up to 2 Mbits/s

 

 

Key-points

  • Conform to Swisscom 6PHETOP_1128_00E_1 specification
  • Longitudinally watertigh
  • Radial watertighness
  • Direct connection on dispatch pannel
  • Protection against electromagnetical perturbations
  • Very high transmission quality

 

 

Cable construction

  • Star quads wire assembly
  • Copper solid conductor (mm)
  • Foam-skin polyethylen insulation [PE4]
  • Concentrical quads assembly
  • Watertighness guaranted by swelling elements [D]
  • Insulating belt
  • 0.8mm copper wire for electrical continuity
  • Composite aluminium and polyethylen outer sheath, black with two green strips and metering [ALT]

 

 

Colour code

quad a b c d
tracer quad white blue turquoise violet
tracer Direction quad 1 white orange turquoise violet
tracer Direction quad 2 white green turquoise violet
tracer Standard quad 1 white brown turquoise violet
tracer Standard quad 2 white grey turquoise violet

 

Other versions on request

  • Anti-rodent protection out of galvanized steel tapes and polyethylen sheath [CLT]
  • Traction armour out of galvanized steel flat wires with or without protection sheath [F/FT]
  • Halogenfree and non-fire propagating sheath according to IEC 60332-3/c [CLN/FN]

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Characteristics
Construction characteristics
Outer sheath PE LLD  
Screen Longitudinal aluminium tape  
Insulation Premolded  
Conductor material Aluminium / Polyester tape  
Dimensional characteristics
Conductor diameter 0.4mm  
Electrical characteristics
Loop resistance, max. at 20°C 291Ohm/km  
Insulation resistance 10GOhm.km  
Test voltage AC at 50hz conductor /conductor 2000V  
Test voltage AC at 50hz conductor/screen 2000V  
Characteristic impedance at 1 kHz 1110Ohm  
Characteristic impedance at 1MHz 135Ohm  
Characteristic impedance at 10 MHz 135Ohm  
Transmission characteristics
Attenuation, max. 1 kHz 1.6dB/km  
Attenuation, max. 10 kHz 4.6dB/km  
Attenuation, max. 100 kHz 8dB/km  
Attenuation, max. 1 MHz 20dB/km  
Attenuation, max. 10 Mhz 70dB/km  
Near End Cross Talk @ 1 kHz 85dB  
Near End Cross Talk @ 10 kHz 75dB  
Near End Cross Talk @ 100 kHz 60dB  
Near End Cross Talk @ 1 MHz 45dB  
Near End Cross Talk @ 10 MHz 30dB  
Usage characteristics
Installation type Outdoor - Duct  
Minimum installation temperature -10°C  
Maximum operating temperature 60°C  
Water proof Longitudinal & radial  
Field of application Outdoor  

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