
COM Port Configuration Commands
The following AT commands pertain to the COM port configuration.
AT&Cn | Data Carrier Detect. This command controls the Data Carrier Detect (DCD) output. | |
| n=0 | DCD always enabled. |
| n=1 | DCD tracks connection (default). |
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ATEn | Local Echo. The E command enables or disables command echo on your computer. If | |
| you do not see commands entered on your screen, enable command echo. If you see | |
| double characters, disable command echo. | |
| n=0 | Disables local echo. |
| n=1 | Enables local echo (default). |
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ATQn | Quiet Result Codes. This command enables or disables the sending of result codes to | |
| the DTE. | |
| n=0 | Enables result codes to the DTE (default). |
| n=1 | Disables result codes to the DTE. |
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ATVn | Result Code Format. You can set your DIVA T/A to display messages as digits or words. | |
| Word responses are preferable since they are more meaningful. | |
| n=0 | Result codes are sent to the DIVA T/A as numbers (short form). |
| n=1 | Result codes are sent to the DIVA T/A as full words (long form/verbose) (default). |
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ATWn | Connect Message Control. This command controls the format of connection | |
| messages. | |
| n=0 | Upon connection, the DIVA T/A reports the DTE speed only; for example, |
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| CONNECT 19200 (default). |
| n=1 | Upon connection, the DIVA T/A reports the DCE speed, the protocol, and the DTE |
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| speed. |
| n=2 | Upon connection, the DIVA T/A reports the DCE speed; for example, CONNECT |
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| 64000. |
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