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Difference between revisions of "Tones (AlphaCom)"

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  Timeslot Freq. Level               Cadence             Tone
+
  Timeslot Freq.         Level               Cadence               Tone
  -------- -----  ------------------  -------------------- -----------------------------
+
  -------- -----  ------------------  --------------------   -----------------------------
   Ts 0  500Hz  2.5V  Peak-to-peak                       Connection/disconnection tone
+
   Ts 0  500Hz  2.5V  Peak-to-peak Continous              Connection/disconnection tone
   Ts 1  400Hz  2.7V  Peak-to-peak                       Dial tone
+
   Ts 1  400Hz  2.7V  Peak-to-peak Continous              Dial tone
   Ts 2  500Hz  2.6V  Peak-to-peak 32 ms on,  32 ms off  Failure/ringing 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 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 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 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 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
+
   Ts 7  533Hz  1.3V  Peak-to-peak 750 ms on,  12 ms off  Off-hook/handset dial tone
  
 
The level is measured on an [[AGA]] output, terminated with 600 ohms onboard.
 
The level is measured on an [[AGA]] output, terminated with 600 ohms onboard.

Revision as of 18:05, 4 September 2008

Tone signals used in AlphaCom. Measured on MC 68000 based AMC bord.


Timeslot Freq.         Level               Cadence               Tone
-------- -----  ------------------  --------------------   -----------------------------
  Ts 0   500Hz  2.5V  Peak-to-peak  Continous              Connection/disconnection tone
  Ts 1   400Hz  2.7V  Peak-to-peak  Continous              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

The level is measured on an AGA output, terminated with 600 ohms onboard.