| BASIC CONSTRUCTION | ||||
| 540 | 540 JCA | 540 MESSENGER | ||
| CONDUCTOR | MATERIAL | CCA/BC | CCA/BC | CCA/BC |
| Nom.Dia. | 3.15mm | 3.15mm | 3.15mm | |
| DIELECTRIC | MATERIAL | Foam PE | Foam PE | Foam PE |
| Nom.Dia. | 13.03mm | 13.03mm | 13.03mm | |
| OUT CONDUCTOR | MATERIAL | AL | AL | AL |
| Nom.Thick. | 0.25mm/0.6mm | 0.25mm/0.6mm | 0.25mm/0.6mm | |
| Nom.Dia. | 13.72mm | 13.72mm | 13.72mm | |
| Over Flooded | / | 0.02mm | / | |
| JACKET | MATERIAL | PE | PE | PE |
| Nom.Thick. | 0.89mm | 0.89mm | 0.89mm | |
| Nom.Dia. | 15.49mm | 15.49mm | 15.49mm | |
| MESSENGER | Nom.Dia. | / | / | 2.77mm/7*1.6mm |
| Electrical Characteristics: | ||||
| Nominal Impedance(Ω) | 75+2 | |||
| Nominal Velocity of Propagation(%) | 88 | |||
| Nominal Capacitance(pF/m) | 50+3.0 | |||
| Sparker Test(VAC) | 4000 | |||
| SRL(dB) | 30-470 | 20 | ||
| 470-1000 | 18 | |||
| Attenuation [@68°F(20°C)] | Frequency(MHz) | Maximum(dB/100ft) | Maximum(dB/100m) | |
| 5 | 0.14 | 0.46 | ||
| 55 | 0.47 | 1.54 | ||
| 250 | 1.03 | 3.38 | ||
| 450 | 1.40 | 4.59 | ||
| 550 | 1.56 | 5.12 | ||
| 750 | 1.85 | 6.07 | ||
| 865 | 2.00 | 6.56 | ||
| 1000 | 2.17 | 7.12 | ||
