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Home  > Products and Solutions  > Products  > Communication cables  > Telephone cables  > Indoor & Outdoor  > HPEW Digital

HPEW Digital
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HPEW Digital
Standards
International  Nexans specification
Description

Application

Cables for local telephony and ADSL applications inside and outside buildings, used for the connections between the buried cables and the customer premises equipment.

Description

  • 1. Solid plain copper conductor, 0.5 mm with Colour-coded PE conductor insulation. Bunched into quad. Quads laid up in concentric layers
  • 2. Insulated drain wire 0.8 mm
  • 3. Colored yarn around each quad
  • 4. Separating tape around each layer
  • 5. HFFR Inner sheath
  • 6. Swelling tape
  • 7. Ripcord
  • 8. Moisture Barrier
  • 9. Green colored Outer sheath in PE

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Characteristics
Construction characteristics
Conductor material Plain copper  
Drain wire Solid Plain Copper  
Conductor flexibility Solid  
Insulation PE  
Conductor shape Quads  
Core lay-up In concentric layer  
Inner sheath Halogen free flame retardant  
Outer sheath PE  
Sheath colour Green  
Dimensional characteristics
Conductor diameter 0.5mm  
Number of quads 50  
Nominal outer diameter 31.0mm  
Approximate weight 709kg/km  
Electrical characteristics
Max. DC resistance of the conductor at 20°C 93Ohm/km  
Ohmical resistance of the insulation 5000MOhm.km  
Mutual capacitance 40nF/km  
Capacitance unbalance max. 500pF/500m  
Breakdown voltage 1.5kV  
Operating voltage 150V  
Mechanical characteristics
Mechanical resistance to impacts Normal domestic use  
Usage characteristics
Bending factor when laying 10(xD)  
Field of application Indoor, Outdoor, Underground  
Ambient installation temperature, range -5 .. 50°C  
Operating temperature, range -15 .. 70°C  
Resistance to vibrations No  
Water proof Radial  

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Make to order product 50x4x0.5 HPEW Digital 50x4x0.5
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High Frequency requirements

High Frequency parameters

Impedance

@ 1Mhz

150

Ohm

Attenuation

@ 1Mhz

≤ 2.4

dB/100m

NEXT

@ 1Mhz

≤ -55

dB 

PS NEXT

@ 1Mhz

≤ -50

dB 

ELFEXT

@ 1Mhz

≤ -50

dB 

PS ELFEXT

@ 1Mhz

≤ -45

dB 


Colour code acc KPN standard

A-conductor

B-conductor

C-conductor

D-conductor

red

white

blue

orange

Sequence of colour: seen on the top of the cable:*Quad: RED-WHITE-BLUE-ORANGE: to the right*Quads in the layer: to the left*First quad from each layer: red yarn*Last quad from each layer: blue yarn*2é, 4é, 6é, etc… from each layer: white yarn*3é, 5é 7é, etc… from each layer: yellow yarn as follows: - first quad: red - 2nd, 4th, 6th etc. quad: white - 3rd, 5th, 7th etc. quad: yellow - last quad: blue

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