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CONFIGURING AND COMMUNICATING WITH YOUR DEVICE
To close Socket 1, enter:
AT#SH=1
The device responds with OK.
To close the data connection:
Enter:
AT#SGACT=1,0
The device responds with OK.
Configuring Device as UDP Listener to Accept UDP Client Connections
To configure the device as a UDP client:
1.
Check signal strength.
Enter:
AT+CSQ
2.
Verify device is registered on the cellular network.
Enter:
Should return:
+CREG 0,1
OK
3.
Configure socket parameters
Enter:
AT#SCFG=1,1,300,240,600,50
4.
Activate context one
Enter:
AT#SGACT=1,1
5.
Set firewall rule to accept connections:
AT#FRWL=1,"###.##.###.#","###.##.###.#"
where ###.##.###.# represents the IP range. For example:
AT#FRWL=1,"204.26.122.1","204.26.122.255"
6.
Set connection ID 1 for UDP listening mode on port 7000.
Enter:
AT#SLUDP=1,1,7000
The device responds with and unsolicited indication that a host is trying to connect to connection ID 1 on
port 7000.
SRING: 1
7.
Accept incoming connection ID 1
Enter:
AT#SA=1
The device indicates a client successfully established a listener connection.
CONNECT
You can send and receive data.
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®
MultiConnect
Cell MTC-LAT1 User Guide
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