EXFO MaxTester 635 - Manual (Page 203)

Frequency Tests
Copper and VDSL2/ADSL2+ Multi-play Test Set 195
Locator Tone
Locator Tone
When Locator Tone is selected from the Frequency Tests menu, a 577 Hz
signal and a 983 Hz signal are sent separately for 200 ms each. The
sequence of this tone is repeated continuously until you stop the test.
Sinusoidal waveform is used to generate these signals.
Tone
The Tone function allows you to set the Tone Power and generate a pulsed
tone on the line to trace a cable pair at the far end.

Current Group is the current test group name, for
example Frequency Tests.

Current Test displays the test being measured.
Here you can switch to another test from the given
list. However, this action will terminate the
ongoing measurement test.

Tone Power allows you to select either low or
high power for the Locator Tone.

Tone Frequencies displays the frequencies of the
Locator Tone.

Termination Resistance is a read-only value of 600 Ω .

Result displays the Elapsed Time the locator tone is being sent.

Test Status displays the current state of measurement or an error
message.