ATEN ALTUSEN PN9108U User Manual download pdf (Page 115)

Chapter 11.

105

(Continued from previous page.)

Command Operation Response

ATZ[CR] Reset modem command.

Close active connections and reset the S registers

and general option status to their saved values.

If successful: OK[CR][LF]

If failure: ERROR[CR][LF]

AT&Cn[CR] DCD option. (Where n represents a numeric

character; 0 or 1.)

&C0: DCD is ON at all times.

&C1: DCD matches the state of the TCP

connection.

If successful: OK[CR][LF]

If failure: ERROR[CR][LF]

AT&Dn[CR] DTR option. (Where n represents a numeric

character; 0 – 3.)

&D0:

DTR is assumed to be ON. Modem ignores the

DTR line.

&D1:

DTR OFF causes the modem to switch to

command mode without disconnecting.

&D2:

DTR OFF switches modem to command mode;

hangs up; and disables auto answer. (Default)

&D3

DTR OFF initializes the modem.

If successful: OK[CR][LF]

If failure: ERROR[CR][LF]

AT&F[CR] Restore factory configuration.

Reset S registers and general option status to

default values.

If successful: OK[CR][LF]

If failure: ERROR[CR][LF]

AT&W[CR] Save configuration.

Write the current configuration settings into

memory, including the S register values and

general option status.

If successful: OK[CR][LF]

If failure: ERROR[CR][LF]

ATB[CR] None OK[CR][LF]

ATC[CR] None OK[CR][LF]

ATL[CR] None OK[CR][LF]

ATM[CR] None OK[CR][LF]

ATN[CR] None OK[CR][LF]

ATX[CR] None OK[CR][LF]

ATY[CR] None OK[CR][LF]

ATW[CR] None OK[CR][LF]

Other AT

Commands

None OK[CR][LF]

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ATEN ALTUSEN PN9108U User Manual Page 115

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