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Telephone Cables |  |
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XDSL Connecting Cables
Application
The cables are designed for XDSL transmission system. The cables are characterized by guaranteed data
speeds up to 40MHz.
Standards
ER.f5.113
Construction
Conductors
Solid annealed bare copper sized 0.5mm as per ASTM B-3/IEC 60228 Class1
Insulation
Solid polyethylene as per ASTM D 1248/IEC 60708
Twisted Pairs
Insulated conductors are twisted into pairs with varying lays to minimize crosstalk
Cable Core Assembly
The pairs are cabled together in layers of 12, 13 & 25 pair unit to form the cable core. Units are identified by
colour coded binders.
Core Wrapping
One or more non-hygroscopic polyester tapes are helically or longitudinally laid with an overlap
Screen
An aluminium polyster foil is applied longitudinally with an overlap
Sheath
Black low density polyethylene as per BS 6234/IEC 60708
Ripcord
Nylon ripcord may be placed parallel to the cores to facilitate sheath removal
Electrical Properties
| Conductor Diameter | mm | 0.5 |
| Maximum Conductor Resistance @20°C | Ω/km | 91 |
| Minimum Insulation Resistance @500V DC | MΩ.km | 20000 |
| Maximum Resistance Unbalance | % | 2 |
| Average Mutual Capacitance | nF/km | 52 |
| Maximum Capacitance Unbalance @1KHz pair-to-pair | pF/500m | 45 |
| Maximum Capacitance Unbalance @1KHz pair-to-ground | pF/500m | 400 |
| Impedance @0.3 – 1MHz | Ω | 100+/- 20 |
| Impedance @1 – 40MHz | Ω | 100+/- 15 |
| Maximum Average Attenuation @0.1MHz | dB/km | 0.81 |
| Maximum Average Attenuation @0.3MHz | dB/km | 1.15 |
| Maximum Average Attenuation @0.6MHz | dB/km | 1.65 |
| Maximum Average Attenuation @1MHz | dB/km | 2.1 |
| Maximum Average Attenuation @4MHz | dB/km | 4.3 |
| Maximum Average Attenuation @10MHz | dB/km | 6.6 |
| Maximum Average Attenuation @16MHz | dB/km | 8.2 |
| Maximum Average Attenuation @20MHz | dB/km | 9.2 |
| Maximum Average Attenuation @31.25MHz | dB/km | 11.8 |
| Maximum Average Attenuation @40MHz | dB/km | 13.9 |
| Minimum Return Loss @1-20MHz | dB/100m | 23 |
| Minimum Return Loss @20-40MHz | dB/km | 23-10log (f/20) |
| Minimum ELFEXT pair-to-pair @0.16MHz | dB | 69 |
| Minimum ELFEXT pair-to-pair @1MHz | dB | 55 |
| Minimum ELFEXT pair-to-pair @20MHz | dB | 29 |
| Minimum ELFEXT pair-to-pair @40MHz | dB | 23 |
| Minimum NEXT pair-to-pair @0.16MHz | dB | 68 |
| Minimum NEXT pair-to-pair @1MHz | dB | 59 |
| Minimum NEXT pair-to-pair @20MHz | dB | 39 |
| Minimum NEXT pair-to-pair @40MHz | dB | 35 |
| Dielectric Strength | dB | |
| Conductor to Conductor 3secs | V DC | 3000 |
| Conductor to Screen 3secs | V DC | 5000 |
Mechanical and Thermal Properties
Temperature range during operation (fixed state): -30°C – +70°C
Temperature range during installation (mobile state): -20°C – +50°C
Minimum bending radius: 10 x Overall Diameter
Colour Code
Standard colour code is per ANSI/ICEA S-80-576 given in Colour Code Chart.
Dimensions And Weight
| Cable Code | Number of Pairs/Quads |
Nominal Insulation Thickness mm |
Nominal Sheath Thickness mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| TP113-2Y(St)Y-26P05-XDSL | 26 | 0.2 | 0.9 | 18.5 | 265 |
| TP113-2Y(St)Y-51P05-XDSL | 51 | 0.2 | 1.0 | 24.2 | 460 |
| TP113-2Y(St)Y-101P05-XDSL | 101 | 0.2 | 1.1 | 31.5 | 790 |
| TP113-2Y(St)Y-202P05-XDSL | 202 | 0.2 | 1.2 | 41.5 | 1415 |