Checking Network Registration; Sending And Receiving Data; Connecting Device To Tcp Server As Tcp Client - Multitech MultiConnect microCell User Manual

DEVICE CONFIGURATION
+CSQ: 15,1

Checking Network Registration

Before establishing a packet data connection, verify the is device registered on the network. To do this enter the
network registration report read command:
AT+CEREG?
If the device returns:
+CEREG: 0,1
or
+CEREG: 0,5
The device is registered.
If the device returns:
+CEREG: 0,2
The device is in a network searching state.
If the device returns:
+CEREG: 0,3
The registration is denied.
If the device returns:
+CEREG: 0,0
The device is not currently attempting to register to a network.

Sending and Receiving Data

Connecting Device to TCP Server as TCP Client

To send data through a connect socket:
1. Bring up Data Connection Using Internal IP stack
Enter:
Verizon:
AT#SGACT=3,1
Other Networks:
AT#SGACT=1,1
The device responds with the IP Address the cellular provider assigned to the device on connection,
followed by OK. For example:
#SGACT: 25.194.185.116
OK
2. Create Client Connection to TCP Server on Port 500
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MultiConnect microCell MTCM-L4N1D User Guide
S000822 Rev. 1.1