Tones (AlphaCom)

Målt på MC 68000 basert AMC kort, mai 2005

Timeslot Freq.  Level            Cadence               Tone
-------- -----  -----------------
  Ts 0    500Hz 2.5V  Peak-to-peak                         Connection/disconnection tone
  Ts 1    400Hz 2.7V  Peak-to-peak                         Dial tone
  Ts 2    500Hz 2.6V  Peak-to-peak  32 ms on,  32 ms off   Failure/ringing tone
  Ts 3    500Hz 0.45V Peak-to-peak 100 ms on, 100 ms off   Success tone, muted
  Ts 4  500Hz 2.6V  Peak-to-peak 100 ms on, 100 ms off   Success tone
  Ts 5  500Hz 0.5V  Peak-to-peak 200 ms on, 200 ms off   Busy tone, muted
  Ts 6  500Hz 2.7V  Peak-to-peak 200 ms on, 200 ms off   Busy tone
  Ts 7  533Hz 1.3V  Peak-to-peak 750 ms on,  12 ms off   Off-hook/handset dial tone

Målt på AGA utgang, terminert med 600ohm -onboard:

Tones (AlphaCom)

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