Test Equipment Depot 990DSL User Manual page 137

990DSL
Users Guide
4. From Setup Screen 1, select the
Choose one of the following options:
a)
Predefined
factory-predefined for the Service Type chosen, with unique values
for each test.
OR
b)
Custom
thresholds that you have entered in the Setups menu for each of the
individual tests in the sequence, allowing the qualification of a new or
different Service Type.
From Setup Screen 1, enter appropriate selections for
5.
, and
Gauge Cable Temperature.
6. Press C(
More
a) If you chose
remaining Setup screen is the VF Test Selection screen, which
enables you to either include (
•
VF Noise
•
VF Loss
•
VF Long. Balance
b) If you chose
displayed (in addition to the above VF Selection screen), enabling
you to enter Pass thresholds for one of the following parameters,
depending on which Service Type you selected:
•
Nyquist frequency Loss value for the chosen Service Type.
•
All Nyquist frequency Loss values for Service Type =
•
Nyquist frequency and Loss values for Service Type =
•
Up. & Down. Loop Attenuation values for
7. Press M to return to the DSL Auto-Test Selection Screen.
5-6
Thresholds (default) – These Pass / Fail thresholds are
Thresholds – This selection uses existing Pass / Fail
) to view subsequent Setup screens:
thresholds in step 4 above, the only
Predefined
(Metallic Noise & Power Influence)
(Single Tone, TN2000; SmartTone, TN2100)
thresholds in step 4, a third Setup screen is
Custom
Loss Pass / Fail Thresholds
) or exclude (
Y N
field.
,
Cable Type Cable
) the following tests:
.
All
Custom
&
HDSL2 HDSL4
.
.