WSW07 (Dial tone setting 1)
Selector | Function |
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1 |
| No. | 1 | 2 |
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Frequency band range |
| 0 | 0 | : | Narrows by 10 Hz | |
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2 |
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| 0 | 1 | : | Initial value |
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| 1 | X | : | Widens by 10 Hz |
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3 | Line current detection |
| 0: | No |
| 1: Yes |
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| No. | 4 | 5 | 6 |
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| 0 | 0 | 0 | : | |
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| 0 | 0 | 1 | : | |
4 |
| 0 | 1 | 0 | : | |
2nd dial tone detection level | 0 | 1 | 1 | : | ||
6 | (Z = 600 Ω) | 1 | 0 | 0 | : | |
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| 1 | 0 | 1 | : | |
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| 1 | 1 | 0 | : | |
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| 1 | 1 | 1 | : | |
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7 | 1st dial tone interrupt detecting |
| 0: | 30 ms | 1: 50 ms | |
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8 | Not used. |
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NOTE: The WSW07 is not applicable in those countries where no dial tone or line current detection is supported, e.g., U.S.A.
•Selectors 1 and 2: Frequency band range
These selectors set the frequency band for the 1st dial tone and the busy tone (before dialing) to be detected.
This setting is effective only when selectors 1 through 3 of WSW05 are set to “1,1,1.”
•Selector 3: Line current detection
This selector determines whether or not the equipment should detect a line current before starting dialing.
•Selectors 4 through 6: 2nd dial tone detection level
These selectors set the detection level of the 2nd dial tone.
•Selector 7: 1st dial tone interrupt detecting time
This selector sets the allowable time length of an interrupt which should not be interpreted as an interrupt in the 1st dial tone dialing.
V - 20
