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CONFIGURING AND COMMUNICATING WITH YOUR DEVICE

■ 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 Client to Connect to UDP Server

Configure and Connect the Device

To configure the device as a UDP client:

1. Check signal strength.

Enter:

AT+CSQ

2. If using a SIM card, configure the APN.

Enter:

AT+CGDCONT=1,IP,"XXX.APN.com" where XXX.APN.com is the APN your cellular provider assigned to

your SIM card.

3. Verify device is registered on the cellular network.

Enter:

AT+CREG?

4. Configure socket parameters

Enter:

AT#SCFG=1,1,300,240,600,50

5. Activate context one

Enter:

AT#SGACT=1,1

6. 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.

QuickCarrier™ USB-E MT100UCC-C2 Developer Guide 29

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Multitech E Spécifications Page 29