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990DSL
Users Guide
Tracing Tone Test
The Tracing Tone test places a warbled, high-level ID tone on a test pair. You
can choose to apply the following types of tones:
•
A (
Simplex)
intrusive)
•
B (
): Tone applied only between Tip and Ground
T-G
•
C (
): Tone applied only between Ring and Ground
R-G
•
D (
): Tone applied only between Tip and Ring (audible).
T-R
Setting Up a Tracing Tone Test
The Tracing Tone test has no test-specific setup.
Running a Tracing Tone Test
To run a Tracing Tone test on a pair, do the following:
1.
Select
Tracing Tone
2.
Press the softkey for the type of tone you want to apply, then press K.
A diagram depicting the selected mode is displayed. The transmitting
arrow indicates that the tone is being applied.
3.
To stop sending the selected tone, press K.
4-40
: Tone applied equally on T & R with respect to G (non-
from the POTS Toolbox, then press L.
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