Qualcomm GSP-1620 Especificaciones Pagina 4

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Table of Contents
iv 80-99240-1 Rev. D
SMS AT Commands ............................................................3-4
Globalstar Service Alerts .........................................................3-4
Service Status Message ............................................................3-5
Position Location Determination .............................................3-5
Packet/Asynchronous Data Overview....................................................... 3-6
Packet Data Service................................................................................... 3-7
Data Rate and Throughput ......................................................3-7
Networking Software and PPP Sessions .................................3-7
Interoperability with Different Operating Systems .........3-8
IP Addressing for the GSP-1620 Modem .................................3-8
Dynamic IP Addressing ......................................................3-9
Fixed IP Addressing ...........................................................3-9
Virtual Private Network Service .....................................3-10
Dormant Mode Service ...........................................................3-10
Roaming and Packet Data Service ........................................3-10
Asynchronous Data Service..................................................................... 3-11
Data Rate and Throughput ....................................................3-13
Accessing Packet Data Over an Asynchronous
Connection ..............................................................................3-13
Roaming and Asynchronous Data Service ............................3-13
AT Commands ..........................................................................................4-1
AT Command Quick Reference Tables...................................................... 4-1
Hardware Description ...........................................................................5-1
Modem Mechanical Description ................................................................ 5-1
Modem Board Layout .........................................................5-1
Modem Dimensions and Weight ........................................5-4
Modem Antenna Connectors ....................................................5-4
Data and Control Ports ............................................................5-4
DTR/DSR Signal and Power On/Off ..................................5-5
Control Port Signals ...........................................................5-5
Data Port Signals ................................................................5-6
DB-25 Data and Control Port Pinouts ...............................5-7
Diagnostic Port .........................................................................5-9
DC Power ................................................................................5-10
Surge Protection ...............................................................5-11
EMI Filtering ....................................................................5-11
Power Consumption ..........................................................5-12
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