990DSL
Users Guide
5-6
Table 5-1. Service Types for Qualification (continued)
Service Type Qualification Criteria
T1 • Param. results vs. T1 Pass Thresholds
• 772 kHz (Nyquist) Loss & WB Long. Bal.
Custom • Param. results vs. User-entered Thresholds
• WB / BB Loss & WB Long. Balance @ User-
entered Frequency (Nyquist)
All (default) • Param. results vs. Tightest Pass Thresholds
of all above Services except ADSL2+ &
VDSL
• WB / BB Loss & WB Long. Balance @
Nyquist Frequencies of all above Services
4. From Setup Screen 1, select the
Loss Pass / Fail Thresholds field.
Choose one of the following options:
a)
Predefined Thresholds (default) – These Pass / Fail thresholds are
factory-predefined for the Service Type chosen, with unique values
for each test.
OR
b)
Custom Thresholds – This selection uses existing Pass / Fail
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.
5. From Setup Screen 1, enter appropriate selections for Cable Type, Cable
Gauge
, and Cable Temperature.
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