Maestro M1002G - Page 23

timeout. <parameter> is used to define the frequency in seconds of the "keep alive" packet.
The value can be set from 1 to 65535, 0 to disable the feature. Default is 0, feature disabled.
2 <parameter> is the maximum size of the outgoing packet in byte. The size can be set from
1 to 1500, 0 to disable the feature. Default value is 1500.
3 <parameter> is the Time To Live (TTL) value of the socket connection in seconds. The value
can be set from 1 to 255, or 0 to disable the feature. Default value is 128.
4 <parameter> is the period in second of calling +IPPING feature, after cellular connected.
The value can be set from 1 to 65535, or 0 to disable the feature. Default is 0, feature
disabled. If +IPPING gives ERROR, modem will trigger the choice set by the <action>
parameter.
5 <parameter> is the data to be sent on first connection. Data is in hexadecimal format,
maximum length is 120 characters. Default is 0.
<action> To specify the action will be taken if a set of ping action fail:
0 do nothing (default).
1 disconnect IP (+IPCONNECT=1,0).
2 reset Maestro modem.
<con_str> To specify a set of data to be sent over the TCP/UDP channel to the remote peer when first connection
is established. Data is entered in Hexadecimal format (01 to FF). Maximum 60 bytes of data can be set.
Example:
Command Response
AT+IPOPT? +IPOPT: 1,0
+IPOPT: 2,1500
+IPOPT: 3,128
+IPOPT: 4,0,0
+IPOPT: 5,""
OK
AT+IPOPT=1,1 OK
Note: enable the keep alive packet feature at 1s rate.
AT+IPOPT=1,300 OK
Note: enable the keep alive packet feature at 5min rate.
AT+IPOPT=2,512 OK
Note: set the size of maximum packet that to be sent to 512
bytes.
AT+IPOPT=3,128 OK
Note: set TTL to 128.
AT+IPOPT=4,60,1 OK
Note: enable ping action every 60 seconds, if ping fail then
disconnect IP.
AT+IPOPT=5,"48454C4C4F" OK
Note: to send "HELLO" to remote peer when connection is
established
AT+IPOPT=? +IPOPT: (1-4),(0-65535)[,(0-2)]
OK
Note:
– +IPOPT options are active only for AUTOTCP/UDP connections. Those don’t apply to +OTCP or +OUDP mode.
– Option 5 of +IPOPT, if used along with option 4 of +AUOPT, will be sent after the +AUOPT prefix.
Confidential, the whole document is the sole property of Maestro Wireless Solutions ltd.
support@maestro-wireless.com
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