| AT |
| Function | Result |
|
| Command |
| Code |
| |
|
|
|
| ||
|
|
|
|
|
|
| ATLn | Accepted but ignored. | OK n=0 or 3 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
| ATMn | Accepted but ignored. | OK n=0 or 3 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
| ATNn | Accepted but ignored. | OK n=0 or 1 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
|
| Return to |
|
| |
|
| This command determines how the modem will enter the |
|
| |
|
| If the modem is in the | OKn = 0 or 1 and |
| |
|
| line data mode. If the modem is in the | a connection |
| |
| ATOn | tion), ERROR is reported. | exists. |
| |
| O0Enters | ERROR |
| ||
|
|
| |||
|
| Otherwise or if |
| ||
|
| ment task. Generally, if a connection exists, this command connects the |
| ||
|
| not connected. |
| ||
|
| DTE back to the remote modem after an escape (+++). |
| ||
|
|
|
| ||
|
| O1Same as above |
|
| |
| ATP | Accepted but ignored. | OK |
| |
|
| Quiet Results Codes Control command. |
|
| |
|
| The command enables or disables the sending of the result codes to the | OK n=0 or 1 |
| |
| ATQn | DTE according to the parameter supplied. The parameter value, if valid, is |
| ||
| ERROR |
| |||
| written to S14 bit 2. |
| |||
|
| Q0 | Enables result code to the DTE (Default). | Otherwise |
|
|
|
|
| ||
|
| Q1 | Disables result code to the DTE |
|
|
|
| Read/Write S- Register. |
|
| |
| ATSn | n | Establishes |
|
|
| n=v | Sets |
|
| |
|
|
|
| ||
|
| n? | Reports the value of |
|
|
| ATT | Accepted but ignored.. | OK |
| |
|
| Result Code Form. This command selects the sending of |
|
| |
|
| form codes to the DTE. The parameter, if valid, is written to S14 bit 3. | OK n=0 or 1 |
| |
| ATVn | V0 Enables |
| ||
| ERROR |
| |||
|
| Otherwise |
| ||
|
| V1 Enables |
|
| |
| ATWn | Accepted but ignored. | OK n=0 to 3 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
| ATXn | Accepted but ignored. | OK n=0 to 3 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
| ATYn | Accepted but ignored. | OK n=0 or 1 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
| ATZn | Accepted but ignored. (Soft Reset and restore Profile). | OK n=0 or 1 |
| |
| ERROR |
| |||
|
|
|
| Otherwise |
|
|
| DCD Option. The Digi Device Server controls the DCD output in accor- |
|
| |
|
| dance with the parameter supplied. The parameter value, if valid is written | OK n=0 or 1 |
| |
| AT&Cn | to S21 bit 5. |
| ||
| ERROR |
| |||
| &C0 DCD remains ON at all times. |
| |||
|
| Otherwise |
| ||
|
| &C1 DCD follows the state of the connection |
|
| |
|
|
|
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|
48 | Chapter 7 Special Features: Modem Emulation |