Chapter 3: System functions
86 Advisor Advanced ATSx500A(-IP) Installation and Programming Manual
Use the backup central stations
In case the primary central station reporting fails, the system tries to send the
event to the appropriate backup central station. For example, if there are primary
central stations CS 1 and CS 4, and there are central stations CS 2 and CS 3,
which are backup stations for CS 1. Advisor Advanced tries to report to central
stations in the following order:
1, 1, 4, 4, 2, 2, 4, 3, 3, 4, 1, 4, 2, 4, 3, 4, 1, etc.
Note: To keep reporting order transparent, always program event mapping to
backup central stations the same as mapping to primary central station.
Report all necessary events to the central station
Once the communication to the central station is established, the system reports
all active events that are mapped to this central station.
After all necessary events are successfully reported to the central station, the
system closes the communication and tries to contact the next central station,
which the active events need to be reported to.
Event priority
In the queue of events waiting for the central station reporting, events with higher
priority are transmitted first. See Table 33 on page 327 for event priority values.
Failed to communicate (FTC)
Each central station has the “9.1.n.7 Retry count” described on page 260. When
the unsuccessful communication attempts reached this limit, the system stops to
try to report to this central station, and generates FTC fault for this station.
Note: For Voice protocol, there is a possibility to avoid FTC fault using option
“9.1.n.8.2.1 Suppress FTC” on page 262.
In FTC condition, the system still tries to re-establish the communication with the
central station using test calls that are configured in the “1.2.6 Test call opts”
menu described on page 130.
Note: If “1.2.6.n.5 Freq TC if FTC” on page 131 is set to Yes, the test call is
attempted every hour until FTC fault restores.
If there are new events for this central station, the system starts communication
attempts over again.
If due to retry limits the panel is unable to deliver an event to any of the central
stations it is mapped to, the Global FTC fault is generated.
For example, there is the primary central station CS 1, and its backup central
stations CS 2 and CS 3. The retry counter is set to four. Advisor Advanced tries
to report to central stations in the following order:
1, 1, 2, 2, 3, 3, 1, 2, 3, 1, <FTC 1 occurs>, 2, <FTC 2 occurs>, 3, <FTC 3
occurs>, <Global FTC occurs>.
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