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Frequency response test setup – EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual

Page 84

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VF / DSL Cable Qualifier

72

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)

Polypropylene

VOP = 0.66 (99 m/

μs)

Teflon

VOP = 0.67 (100 m/

μs

EDIT /
SELECT

CABLE
TESTS

MAIN
MENU

Test Typ e:
Result Scaling:
Max. C ap. Imbalance (%):
F1 Length:
Cab le Type:
VOP:
VOP (m/us):
Cap acitance nF/mi:
Resistance ohm/mi:
Attn at 300kHz dB/mi:


ADSL - 2208 kHz
10
0
24 AWG PIC
0.660
198
83.0
277.0
18.0

E

F

CHG

FREQUENCY RESPONSE TEST SETUP

SINGLE EN D

WA RNING

For Single End test please ensure that th e ca ble t o be
tested is not terminated at t he far end.
Not e: telephone cables may have dan gerou s A.C. o r D. C.
volta ges on them, theref ore caution should be taken when

!

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Figure 8.1.1B – Single End Frequency Response Test Setup Menu

If the AUTO CABLE TYPE is NOT selected, the following settings are available. These are necessary to
provide the user with the most accurate results.