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