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CommScope, Cables, Coaxial Cables, Hardline Cables
75 Ohm QR® Trunk and Distribution Cable, black PE jacket, flooded for underground 5544502 | QR® 540 JCASS – CommScope
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Specifications
Product Classification
| Regional Availability | North America |
| Product Type | Coaxial hardline cable |
| Product Brand | QR® |
| Government Funding | Build America Buy America (BABA) compliant* |
General Specifications
| Cable Type | 540 Series |
| Construction Type | Welded |
| Jacket Color | Black |
| Short Description | QR 540 JCASS SM PR2171 |
Dimensions
| Cable Length | 1127.76 m | 3700 ft |
| Diameter Over Center Conductor, nominal | 3.15 mm | 0.124 in |
| Diameter Over Dielectric, nominal | 13.056 mm | 0.514 in |
| Diameter Over Jacket, nominal | 15.494 mm | 0.61 in |
| Diameter Over Outer Conductor, nominal | 13.716 mm | 0.54 in |
| Jacket Thickness, nominal | 0.889 mm | 0.035 in |
| Outer Conductor Thickness, nominal | 0.343 mm | 0.0135 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 | 3.346 ohms/km | 1.02 ohms/kft |
| dc Resistance, Loop, nominal | 5.282 ohms/km | 1.61 ohms/kft |
| dc Resistance, Outer Conductor, nominal | 1.936 ohms/km | 0.59 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 |
