K20 & L120 LSZH Armoured F/FTP Cat6 Cables

Application

The cables are designed for high speed data transmissions, and are suitable for installations in cable trays or on hooks.

Standard

  • RATP CAT6-K20 (for K20 cable)
  • FRANCE TELECOM S31-10/20 & NF C 93.531-6/7 (for L120 cable)

Cable Construction

K20

  • Conductors: Class 1 AWG23 solid copper conductor (for K20 cable); 0.6mm annealed copper conductor (for L120 cable).
  • Insulation: Solid polyethylene (for K20 cable); Foam skin (cellular PE + solid PE) (for L120 cable).
  • Cabling Element: Two conductors are twisted together to form a pair (for K20 cable); Four conductors are twisted together to form a quad (for L120 cable).
  • Core Wrapping (for L120 cable): Non-hygroscopic plastic tape with overlapping.
  • Individual Screen (for K20 cable): Alu/polyester shield on each pair.
  • Overall Screen: Alu/polyester shield.
  • Drain Wire: Tinned copper drain wire, 0.5mm nominal diameter.
  • Inner Sheath (for K20 cable): LSZH.
  • Armour (for K20 cable): Galvanized steel braid armour.
  • Outer Sheath: LSZH.

  • Optional

  • Armoured L120 Cables: Tinned copper braid armoured cables can be offered upon request.

Electrical Characteristics at 20℃

Nominal Conductor Diameter mm 0.56 (K20) 0.6 (L120)
AWG 23 23
Maximum Conductor Resistance Ω/km 146.4 133.2
Minimum Insulation Resistance @500 V DC MΩ/km 500 5000
Characteristics Impedance @100MHz Ω 100 120+15
Maximum Capacitance Unbalance
Real/earth pF/km 1600 300
Maximum Average Attenuation
@1MHz dB/100m 2.0 2.0
@4MHz dB/100m 3.8 3.8
@10MHz dB/100m 6.0 6.0
@16MHz dB/100m 7.6 7.6
@25MHz dB/100m 9.5 9.5
@31.25MHz dB/100m 10.7 10.7
@62.5MHz dB/100m 15.4 15.4
@100MHz dB/100m 19.8 19.8
@250MHz dB/100m 32.9 32.9
Minimum NEXT Pair to Pair
@1MHz dB 77.3 77.3
@4MHz dB 68.3 68.3
@10MHz dB 62.3 62.3
@16MHz dB 59.2 59.2
@25MHz dB 56.3 56.3
@31.25MHz dB 54.9 54.9
@62.5MHz dB 50.4 50.4
@100MHz dB 47.3 47.3
@250MHz dB 41.3 41.3
Minimum ELFEXT Pair to Pair
@1MHz dB 68.8 68.8
@4MHz dB 56.8 56.8
@10MHz dB 48.8 48.8
@16MHz dB 44.7 44.7
@25MHz dB 40.8 40.8
@31.25MHz dB 38.9 38.9
@62.5MHz dB 32.8 32.8
@100MHz dB 28.8 28.8
@250MHz dB 20.8 20.8

Mechanical and Thermal Properties

  • Minimum Bending Radius: 12×OD (static); 24×OD (dynamic)
  • Temperature Range: -40℃ to +60℃ (during operation); -10℃ +60℃ (during installation)

Dimensions and Weight

K20 cables

Cable Code No. of
pairs		 Nominal Sheath Thickness
mm		 Nominal Overall
Diameter
mm		 Nominal Weight
kg/km
Inner Outer
0.56mm conductor, 1.45mm Insulated Wire
RD/K20-F/FTPCat6-2Y(St)H(SWB)H-PIMF-4P0.56 4 1.0 1.0 11.7 156

L120 cables

Cable Code No. of pairs Nominal Sheath
Thickness
mm		 Nominal Overall
Diameter
mm		 Nominal Weight
kg/km
0.6mm conductor, 1.34mm Insulated Wire
RD/L120-F/FTPCat6-02YHH-4P0.6 4(2Q) 1.8 8.5 x 6* 60
RD/L120-F/FTPCat6-02YHH-8P0.6 8(2 x 4p) 1.8 18 x 6** 120
RD/L120-F/FTPCat6-02YHH-12P0.6 12(3 x 4p) 1.8 16 235
RD/L120-F/FTPCat6-02YHH-32P0.6 32(4 x 4Q) 1.8 19 360
RD/L120-F/FTPCat6-02YHH-64P0.6 64(8 x 4Q) 1.8 30 675
RD/L120-F/FTPCat6-02YHH-128P0.6 128(4SU x 4Q) 1.8 40 1250