Filter
Top Products
Integrator’s Reference Manual
iv 80-99208-1 Rev. D
Service-Programming Modems ...........................................................3-1
UTPST Overview........................................................................................ 3-2
Using the UTPST ....................................................................................... 3-2
Re-programming Default Parameters....................................................... 3-4
Bulk-Programming Modems...................................................................... 3-7
Upgrading Modem Software...................................................................... 3-7
Making Simple Data Calls ....................................................................4-1
Checking Modem Status ............................................................................ 4-1
Making Simple Packet Data Calls ............................................................ 4-3
Making a Call from the Data Port ...........................................4-4
Entering Online-Command Mode ............................................4-5
Developing Modem Applications ........................................................5-1
Recommended Development Tools............................................................ 5-2
SCADA Application Components .............................................................. 5-2
Packet/Asynchronous Data Overview ....................................................... 5-4
Modem Application Scenarios ................................................................... 5-5
Working with Modem Features................................................................. 5-7
Using Data and Control Ports .................................................5-7
Data and Control Port Configurations ..............................5-8
Port Arbitration Behavior ..................................................5-9
AT Command Processing Modes ......................................5-12
Port(s) Affected by AT Commands ...................................5-13
Port Activation (DTR) Changes during Operation .........5-15
Port Use During Power On and Power Off ......................5-16
Globalstar Satellite Service ...................................................5-16
Short Messaging Service (SMS) .............................................5-17
SMS Alerts ........................................................................5-17
SMS Message Field Information ......................................5-18
SMS AT Commands ..........................................................5-18
Using SMS for Mobile-Terminated Calls ........................5-18
Globalstar Service Alerts .......................................................5-19
Service Status Message ..........................................................5-20
Position Location Determination ...........................................5-21
Using Packet Data ................................................................................... 5-21
Data Rate and Throughput ....................................................5-22
Networking Software and PPP Sessions ...............................5-22
Interoperability with Different Operating Systems .......5-22