DCT Antares SB, Руководство пользователя

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3.12. REPORTS’ BUFFER
command reported to any destination(s). This feature broads the reporting
possibilities of the unit as the reporting messages are not only restricted
to the information contained on the
EV
and
ET
messages. Any information
that can only be known by means of a TAIP consult can be converted into
a new report message just by adding the message to the user-action field of
an event definition.
For more information and examples see the Event Machine section on the
Configuration chapter.
3.12 Reports’ buffer
The Antares SB
TM
reserves a memory space to save reports whenever the
remote Destination is not available. The buffering process for a Destination
takes place on any of the following situations:
• For IP-type destinations:
1. The GPRS session is down.
2. The GPRS session is up but the unit is on an Over The Air
Firmware Upgrade process.
3. When using TCP: The GPRS session is up but the TCP con-
nection with the IP-host is closed and cannot be established or
the host is unreachable.
4. When using UDP: The GPRS session is up but the IP-host is
not acknowledging UDP reports
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.
•
For Telephone Numbers destinations:
1. The unit is not registered on the GSM network
2. There is no Telephone Number defined on the report’s Destina-
tion .
•
The serial port destination is never buffered.
The unit has an event buffering capacity of 1137 events. Events are buffered
and transmitted on an individual manner for each Destination meaning
that an unreachable destination may have many pending events while other
destinations have their buffer empty with no interference between the two
destinations. The total buffer capacity whatsoever is shared among all des-
tinations meaning that the maximum holding capacity is always restricted
to the free space left by the destination with the maximum accumulated
reports.
The buffering capacity may be significantly lowered by a miss-
configured or permanently-unreachable
Destination .
Note:
The buffer is automatically controlled by the unit according to the situ-
ations described above and whenever the conditions change for good the
unit starts emptying the buffer as messages are successfully transmitted to
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The UDP acknowledging mechanism is optional and can be turned off/on.
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