31
set a fixation step for ADC.
Periodic operation mode
When this option is enabled, the modem establishes GPRS connection at regular intervals beginning from its
activation or exit from the service mode. There will be no changes if the modem has not switched to the offline
mode. The period is set in the hh:mm format from 0:00 to 1000:59. If the value is set to 0:00, operation by peri-
od is disabled, i.e. GPRS connection will not be established.
GPRS connection duration
– the modem operation interval at GPRS connection. The GPRS connection
duration is set in the hh:mm format from 0:00 to 1000:59. If the value is set to 0:00, the operation time in GPRS
is not limited, in this case the modem does not switch to the offline mode. The modem operation interval at
GPRS connection is started when any indication of the GPRS access is activated.
For proper operation of this option with the configured GPRS access by exact time, the duration of GPRS
connection must not exceed 24 hours. When operating by period, the duration of GPRS connection must not
exceed the specified period in the settings.
If the modem operates with the iRZ Collector server, the modem is connected to the server and sends the of-
fline mode schedule in the start log when supplying power and exiting the service mode.
You can set up
1
the offline mode in the service mode via the ATM Control configuration utility in the tab
Set-
tings
Advanced
Wait
or using special AT commands via any terminal application. The ATM Control utili-
ty, starting from version 4.5, supports all the settings of the offline mode.
Examples of settings.
1.
GPRS access by exact time.
For example, the modem is set for GPRS access at 07:30; GPRS connection duration is 0:40. In this case,
the modem will enable GPRS connection at 07:30 on a daily basis and disable it (switch to the offline mode) at
08:10.
2.
Periodic operation mode
For example, the modem is set for GPRS access at 10:00; duration
– 01:00; the code word – "ENDLINK",
the power to the modem has been supplied at 15:30. In this case the modem will enable GPRS connection im-
mediately after power supply and will support it for an hour, but if during this hour the modem does not run into
1
If the modem RTC has failed, the access to the offline mode by the parameters set in the settings is not performed, i.e.
the modem has a permanent connection to the server.
