AT Command Set and
Table
(6 of 9)
392xPlus AT Commands
AT |
| Description | DCP LCD | |
| Command | |||
Command |
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| Sequence | |
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&Mn and | Async/Sync Mode and DTE Dialer Type. | Configure\Edit\ | ||
&Qn | &M0, &Q0 | Modem operates in Asynchronous mode using AT Command | DTE Dialer | |
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| protocol. |
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| &M1, &Q1 | Modem operates in Synchronous mode using AT Command |
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| protocol. |
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| &M2, &Q2 | Modem operates in Synchronous mode and dials telephone number |
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| stored in directory location 1 when DTR signal turns OFF and then |
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| ON. |
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| &M3, &Q3 | Modem operates in Synchronous mode using AT Command |
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| protocol. |
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| &M231 | Modem operates in Asynchronous mode using no AT Command |
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| protocol. |
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| &M232 | Modem operates in Asynchronous mode using V.25bis |
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| asynchronous AT Command protocol. |
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| &M233 | Modem operates in Synchronous mode using V.25bis |
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| bisynchronous AT Command protocol. |
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| &M234 | Modem operates in Synchronous mode using V.25bis HDLC AT |
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| Command protocol. |
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| &M235 | Modem operates in Asynchronous mode using AT&T Emulation AT |
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| Command protocol. |
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| &M236 | Modem operates in Synchronous mode using no AT Command |
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| protocol. |
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| The following commands disable the use of AT commands and force the modem |
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| into Dumb mode: &M2, &Q2, &M231, &M232, &M233, &M234, &M235, &M236. |
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| NOTE: The only way to gain control of the modem is via the DCP. |
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&Rn | RTS Action. |
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| Configure\Edit\ |
| &R0 | Standard RS232. |
| DTE Interface |
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| &R1 | Ignores RTS. |
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| &R2 | Simulated Control Carrier. |
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| &R3 | Control Carrier. |
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&Sn | DSR Control. |
| Configure\Edit\ | |
| &S0 | Forced On. |
| DTE Interface |
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| &S1 | Standard RS232. |
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| &S2 | Wink When Disconnect. |
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| &S3 | Follows DTR. |
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| &S4 | On Early. |
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| &S5 | Delay to Data. |
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November 1996 |
