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POTS Testing and Fault Location
The POTS Toolbox
4
4-49
Table 4-11. Types of VF Tones
Tone Description
Single Tone
•
Continuously transmitted single tone
•
Settable level from +3 to -20 dBm
•
Settable frequency from 24 Hz to 20 kHz
3-Tone Sweep
•
Sequence of 3 tones, each lasting four seconds
•
404, 1004, 2804 Hz
•
0.0 dBm fixed level per tone
10-Tone Sweep
•
Sequence of 10 tones, each lasting three seconds
•
404, 804, 1004, 1204, 1404, 1604, 1804, 2004,
2804, 3004 Hz
•
0.0 dBm fixed level per tone
30-Tone Sweep
•
Sequence of 30 tones, each lasting two seconds
•
304 Hz to 3304 Hz (in 100 Hz increments)
•
0.0 dBm fixed level per tone
SmartTone
•
Composite signal (100 simultaneous tones)
•
300 Hz to 3400 Hz, Preset levels
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