EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 161)

CableSHARK P3 User Guide
149
Wire Gauge Vs. V.O.P.
Here are some examples of typical VOP values for various telephone cables, given for insulation type and
wire gauge / size. :
Pulp
AWG 22 0.6 mm VOP = 0.68 (102 m/ μs)
AWG 24 0.5 mm VOP = 0.67 (100 m/ μs)
AWG 26 0.4 mm VOP = 0.66 (99 m/ μs)
PIC
AWG 19 0.9 mm VOP = 0.72 (108 m/ μs)
AWG 22 0.6 mm VOP = 0.67 (100 m/ μs)
AWG 24 0.5 mm VOP = 0.66 (99 m/ μs)
AWG 26 0.4 mm VOP = 0.64 (96 m/ μs)
Jelly
AWG 19 0.9 mm VOP = 0.68 (102 m/ μs)
Filled
AWG 22 0.6 mm VOP = 0.62 (93 m/ μs)
AWG 24 0.5 mm VOP = 0.60 (90 m/ μs)
AWG 26 0.4 mm VOP = 0.58 (87 m/ μs)
Polyethylene
VOP = 0.66 (99 m/ μs)
Polypropylene VOP = 0.66 (99 m/ μs)
Teflon VOP = 0.67 (100 m/ μs)
8.10.2 LoopMapper Testing
With the appropriate VOP and horizontal units selected, the CableSHARK should be able to automatically
locate any cable reflection. Results will be displayed in feet or meters. Figure 8.10.2A shows a sample
LoopMapper test screen.