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EXFO CableSHARK P3 VF/DSL Cable Qualifier User Manual

Page 152

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VF / DSL Cable Qualifier

140

EDIT /
SELECT

MAIN
MENU

Test Type :

E

F

CHG

CROSSTALK OR LOOPBACK

WARNING

Note: telephone cables may have dangerous A.C. or D.C.
voltages on them, therefore caution should be taken when

connecting this test set.

!

SELECT
NEXT

F

IGURE

8.8.1A

–

4

W

IRE

C

ROSSTALK

S

ETUP

M

ENU

The 4-Wire Crosstalk test setup options are described as follows:

TEST TYPE:

Select from either CROSSTALK / LOOPBACK or SINGLE FREQUENCY.

CROSSTALK / LOOPBACK

will display a plot of the crosstalk. Background loop

noise is rejected.

SINGLE FREQUENCY

will display a power level in dB for a user specified

frequency.

FREQUENCY
(kHz):

The Frequency setting is only available when the 4 Wire Crosstalk Test Type is
set to SINGLE FREQUENCY.






See also other documents in the category EXFO Measuring instruments: