EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 93)

CableSHARK P3 User Guide
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The following are brief descriptions of each of the function button options:
EDIT/SELECT Pressing the function button corresponding to EDIT/SELECT invokes a menu
wherein a desired parameter can be highlighted by using the Cursor Pad
UP/DOWN arrow buttons and/or the function buttons corresponding to PAGE
UP and PAGE DOWN (should they exist). Press the function button
corresponding ENTER to select the highlighted parameter.
SELECT PREVIOUS Pressing the function button corresponding to SELECT PREVIOUS scrolls
backward through each of the parameters that are available for the highlighted
option.
SELECT NEXT Pressing the function button corresponding to SELECT NEXT scrolls forward
through each of the parameters that are available for the highlighted option.
CABLE TESTS Pressing the function button corresponding to CABLE TESTS causes the
CABLE TESTS pop-up menu to appear.
MAIN MENU Select the function button corresponding to MAIN MENU to return to the Main
Menu.
The following gives an indication of what the ideal Pulse Width and V.O.P. should be set to for various
lengths of cable and wire gauges.
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 Filled
AWG 19 0.9 mm VOP = 0.68 (102 m/ μs)
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)