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Setting up GPRS communications can be very tricky, issue can be on modem side, mobile operator, SCADAPack and etc.
SCADAPack E RTUs
E Configurator, Telnet
SCADAPack E range has a very powerful diagnostic capabilities that allow to look at very deep level. To access it we will need Ethernet or Serial connection to RTU.
tcpdiagResponse will indicate current active filters:
tcpdiad disable *
After that we can specify the filters
ppp by typing
tcpdiag enable gprs ppp:
Then we will enter diagnostic monitor by issuing
We should be able to see the process of connection establishment, sending AT Initialisation string and network attachment:
And if the modem configured correctly we will see that modem will be assigned with IP address: