Exfo CableSHARK P3 VF/DSL Cable Qualifier Manual de usuario Pagina 269

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CableSHARK P3 User Guide
257
Appendix B Loop Characteristics
Wire Gauge Capacitance Resistance Attenuation @ 300
kHz
mm AWG nF/km nF/mi
Ω/km Ω/kft Ω/mi
dB/km dB/mi
(0.253) 30 40 64.4 677 206 1090
0.30 PE 40 64.4 494 150 792
0.32 PE 28 40 64.4 409 125 658 21.0
0.40 PE 50 80.5 280 84.4 451 14.2
(0.405) 26 PIC 51.6 83.0 273 83.1 439 23.5
0.50 DW10 50.9 82.0 181 55.1 291
0.50 DUG 55 88.5 179 55.6 288
0.50 PE 50 80.5 179 54.5 288 10.1
(0.511) 24 PIC 51.6 83.0 172 52.3 276 18.0
0.60 PE 40 64.4 123 37.5 198 8.6
0.63 PE 45 72.4 113 34.5 182
(0.644) 22 PIC 51.6 83.0 108 32.9 174 14.1
0.70 PE 40 64.4 90 27.5 145
0.80 PE 40 64.4 69 21.0 111 7.1
0.90 DW12 51.1 82.3 55.5 16.9 89.3
0.90 PE 40 64.4 55 16.8 88.5
(0.912) 19 PIC 51.6 83.0 53.8 16.4 86.6 10.0
NOTES:
( ) = AWG conductor diameter
(mm) = not a normal metric size
PE = metric Polyethylene insulated cable
PIC = AWG Polyethylene insulated cable, sometimes called "plastic insulated cable"
as contrasted to older pulp or paper insulated cable.
PVC = Polyvinyl chloride insulated cable
DW = European drop wire, overhead/aerial
DUG = European underground drop cable
Metric & AWG Wire Gauges: R & C (0Hz/DC, 20°C or 70°F)
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