EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 119)

CableSHARK P3 User Guide
107
8.4.1 Setting up a Noise Test
From the Main Menu, pressing Function button F1 (CABLE TESTS) will bring the user to the CABLE TESTS
pop-up menu. Choose NOISE to invoke the NOISE TEST SETUP menu. The sections that follow will
explain the operation as each of the control keys is pressed and their respective screens appear. Figure
8.4.1A below shows the Noise Test Setup Menu.
EDIT /
SELECT MAIN
MENU
Test Type :
Term Impedance :
Noise Filter :
Measurement Units:
100 OHMS
NONE (disturber ID on)
dBm
E F CHG
NOISE PSD Next/Fext 2.2 MHz
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 8.4.1A – P OWER S PECTRAL D ENSITY N OISE T EST S ETUP M ENU