Note:
– If the value is set too high the maximum data transfer speed may be decreased.
– Applies only when using automatic or AT command driven TCP/UDP connection.
3.2.4 Optional parameters
AT+AUOPT
This command lets user to set option parameters to control socket connection. There are three option parameters:
1. Socket idle period: period of connected socket with zero data traffic, socket will be closed when timeout.
2. Server idle period: period of connected socket with zero data traffic, cellular will be deactivated and reactivated
when timeout.
3. Socket connect period: period of maximum allowed connection time, socket will be closed when timeout.
4. UDP prefix: will send a data set to server on each data connection.
5. Heartbeat period: send a heartbeat packet on period.
6. Serial prefix: will output a data on serial on each data connection.
Option Applicable mode Serial port behavior if option enabled
1 Client / Server As client: in data mode all the time, data are buffered.
As server: in data mode when socket is connected, in command
mode when socket is not connected (data not buffered).
2 Server n/a
3 Client / Server Depends on <option> #1 setting.
4 Client / Server n/a
5 Client n/a
6 Client / Server n/a
Syntax: AT+AUOPT=<option>,<val>
Response: +AUOPT: <option>,<val>
Defined Values:
<option>
1 socket idle period (for client and server mode). After Auto TCP/UDP socket is connected, if there is no
data transport, in both direction, for more than <val> (in minutes) the socket will be disconnected. Please
read notes below when using it with TCP client mode.
<val> Unit is in minute. Default value is 0 (connection control disabled). Valid range is 0 to 65535.
2 server idle period (for server mode only). If the unit set as a server stays in listening mode for more
than the <val> (in minutes) the PDP context will be deactivated, then reactivated, and server listening
modem will be resumed. This option prevent the network from closing because of no data flow after
some period.
<val> Unit is in minute. Default value is 0 (connection control disabled). Valid range is 0 to 65535.
3 socket connect period (for client and server mode). If a Auto TCP/UDP socket stays connected for more
than the <val> (in minutes) the socket will be disconnected.
30 Confidential, the whole document is the sole property of Maestro Wireless Solutions ltd.
support@maestro-wireless.com
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