Multitech MultiConnect Cell MTC-H5 - Checking Network Registration; Sending and Receiving Data; Connecting Device to TCP Server as TCP Client; Configuring Device as UDP Listener to Accept UDP Client Connections

CONFIGURING AND COMMUNICATING WITH YOUR DEVICE
Enter:
AT+CSQ
2. Verify device is registered on the cellular network.
Enter:
AT!STATUS
3. Configure socket parameters
Enter:
AT#SCFG=1,1,300,240,600,50
4. Activate context one
Enter:
AT#SGACT=1,1
5. Create UDP connection to Server port
Enter:
AT#SD=1,1,####,"###.##.###.##" where #### is the server port and ###.##.###.## is the IP number.
The device responds with OK, which indicates a successful connection. You can send and receive data through the
socket connection.
Exit Data Mode and Close Connection
To exit data mode and close the socket:
■ Enter the escape sequence: +++
■ 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:
AT!STATUS
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:
MultiConnect
®
Cell 100 Series MTC-H5 User Guide 25