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75 Ohm QR® Trunk and Distribution Cable – black PE jacket – flooded for underground 5514902 | QR® 860 JCASS SM MT – CommScope
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Specifications
Product Classification
| Product Type | Coaxial hardline cable |
| Product Brand | QR® |
General Specifications
| Cable Type | 860 Series |
| Construction Type | Welded |
| Jacket Color | Black |
| Short Description | QR 860 JCASS SM MT PR7278 |
Dimensions
| Cable Length | 899.16 m | 2950 ft |
| Diameter Over Center Conductor, nominal | 5.156 mm | 0.203 in |
| Diameter Over Dielectric, nominal | 21.031 mm | 0.828 in |
| Diameter Over Jacket, nominal | 24.384 mm | 0.96 in |
| Diameter Over Outer Conductor, nominal | 21.844 mm | 0.86 in |
| Jacket Thickness, nominal | 1.143 mm | 0.045 in |
| Outer Conductor Thickness, nominal | 0.406 mm | 0.016 in |
Electrical Specifications
| Capacitance | 50.197 pF/m | 15.3 pF/ft |
| Capacitance Tolerance | ±1.0 pF/ft |
| Characteristic Impedance | 75 ohm |
| Characteristic Impedance Tolerance | ±2 ohm |
| dc Resistance Note | Nominal values based on a standard condition of 20 °C (68 °F) |
| dc Resistance, Inner Conductor, nominal | 1.345 ohms/km | 0.41 ohms/kft |
| dc Resistance, Loop, nominal | 2.395 ohms/km | 0.73 ohms/kft |
| dc Resistance, Outer Conductor, nominal | 1.05 ohms/km | 0.32 ohms/kft |
| Jacket Spark Test Voltage | 5000 Vac |
| Nominal Velocity of Propagation (NVP) | 88 % |
| Operating Frequency Band | 5–3000 MHz |
| Structural Return Loss | 24 dB @ 1003–1218 MHz | 24 dB @ 1219–1794 MHz | 30 dB @ 5–1002 MHz |
| Structural Return Loss, Grade N | ≥24 dB @ 1003–1218 MHz | ≥24 dB @ 1219–1794 MHz | ≥30 dB @ 5–1002 MHz |
