The Hermesys LadonX™ 20/50 Pair Outdoor Telephone Cable is designed for underground telecom networks. It combines 0.63 mm, 99.9% pure annealed copper conductors with foam skin polyethylene insulation.
Key Features and Benefits
- Available in 20-pair and 50-pair configurations
- Synthetic jelly-filled core for water resistance
- Longitudinally overlapped APL tape moisture barrier
- Protective helically lapped core wrapping
- Colour-coded insulation and identification tapes
- Black LDPE outer jacket with two nylon ripcords
Design Reference
- CW1179
- CW205
- M142
- TIA2 M2001
- M132
- BS 6360
- BS 5099
- SS 80:1972
Technical Data
Rip Cord
Two nylon yarn are placed horizontally
Conductor
99.9% pure annealed copper
Water Resistant Compound
Synthetic jelly filling compound
Insulation
Foam skin polyethylene
Moisture Barrier
Single layer longitudinally overlapped APL tape
Thickness of Aluminum Tape (Nom.)
0.2mm
Core Wrapping
A continuously protective layer of tape is lapped helically
Thickness of Plastic Layer (Nom.)
0.05mm
Identification Tape
Transparent polyester tape with black words
After Insulation OD (Nom.)
1.15mm
Overall Cable Diameter (Nom.)
15.6/22.5mm
Electrical Characteristics
| Max. Conductor Resistance at 20°C |
60Ω/km |
| Intrinsic attenuation at 20°C |
Average value |
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| Elongation |
≥18% |
| Resistance Unbalance |
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| Dielectric Strength |
Core to core
0.75 kV DC/1min.
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Core to screen
3.0 kV DC/1min.
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| Capacitance unbalance at 0.8 kHz or 1 kHz (nF/KM) |
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| Core to screen |
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| Working capacitance at 0.8 kHz or 1 kHz (pF/KM) |
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| Min. Insulation Resistance at 20°C |
3000 MΩ·km |
