AT Command Set and
Result Codes
Table
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Numbers | Numbers | Word |
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(1) | (2) |
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0 | 0 | OK |
| Command executed |
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1 | 1 | CONNECT |
| Modem connected to line |
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2 | 2 | RING |
| Modem receiving a ring voltage from the VF line |
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3 | 3 | NO CARRIER |
| Modem lost carrier signal, does not detect carrier |
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| signal, or does not detect answer tone |
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4 | 4 | ERROR |
| Invalid command |
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5 | 5 | CONNECT 1200* |
| Connection at 1200 bps |
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6 | 6 | NO DIALTONE* |
| No dial tone detected |
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7 | 7 | BUSY* |
| Busy or trunk busy signal detected |
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8 | 8 | NO ANSWER* |
| No ªquietº answer (@) |
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10 | 10 | CONNECT 2400* |
| Connection at 2400 bps |
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11 | 11 | CONNECT 4800* |
| Connection at 4800 bps |
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12 | 12 | CONNECT 9600* |
| Connection at 9600 bps |
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13 | 16 | CONNECT 12000* |
| Connection at 12,000 bps |
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14 | 13 | CONNECT 14400* |
| Connection at 14,400 bps |
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15 | 14 | CONNECT 19200* |
| Connection at 19,200 bps |
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16 | 15 | CONNECT 7200* |
| Connection at 7200 bps |
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17 | 17 | CONNECT 16800* |
| Connection at 16,800 bps |
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19 | 19 | CONNECT 300* |
| Connection at 300 bps |
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20 | 10 | CONNECT 2400/ EC**** |
| Connection at 2400 bps with error control |
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21 | 11 | CONNECT 4800/ EC**** |
| Connection at 4800 bps with error control |
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* Only appears when the Extended Result Codes configuration option is enabled.
** Only appears when the Extended Result Codes configuration option is set for Use_DTE_Rate. This displays the DTE data rate instead of the line rate.
*** Only appears when the Extended Result Codes configuration option is set for Add/EC. If this configuration option is set for Add/V42, MNP, then either V42b, V42, MNP5, MNP4, MNP3, MNP2, or NoEC appears.
**** Only appears when the modulation is V.34 and the Extended Result Codes configuration option is set to Add/EC or Add/V.42. Receive Rate (RX) and Transmit Rate (TX) appear in place of the single rate.
November 1996 |