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1) GPRS always on-line
Parameters: Reconnect interval
While using this mode, when the unit can not searched GPRS signal, system will reconnect
GPRS interval a preset value. (e.g.: 1minute)
2) Base on report mode
Parameters: Max. reconnect times, reconnect interval
While using this mode, the unit will connect to the server when there is a report to send. If
the first connection is failed, it will retry to connect to the server up to the max. reconnect
times. Each retry will be separated by the reconnect “interval”.
3) GPRS connect once
While using this mode, the unit will connect to the server when there is a report to send (but
only try once). If it is not successful, the report will be stored and sent out in the next
successful connection. Disconnect GPRS connection when report sending is completed.
4) Reduce GPRS dialup method
Parameters: On/Off, Max. reconnect times, connect delay
If this method is used, the unit will reduce the GPRS dial-up connection when the dial-up is
failed after number of times. User can define the delay time for the unit before try to
reconnect to the server. If there is trigger report, the unit will connect to server immediately.
Special command for SMS mode:
If the GST8000 is not in the GPRS online status, user can send command &&Y02 or
&&Y04 to ask unit to connect to server. This command can be sent from any device via
SMS;
&&Y02:
When received this command, system will actively try to connect to server in next 600
seconds.
&&Y04,[connection time],[report interval]:
For example: &&Y04, 3600, 60
When received this command, system will connect to server in the next 3600
seconds, and send one report out every 60 seconds.