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Operating Manual. Contact GSM-9N /А/М
Communication channels
After an event has occurred, it is recorded into the history, and the system
tries to transfer it to the monitoring software or to other recipient over the
preconfigured communication channels.
General Information
Communication channel is a way (including technical tools and the
environment) to transfer information from the panel to a receiver of a
specified type.
Direction is a combination of communication channels intended to increase
the probability of the successful delivery of information to the recipient in
case one of the channels is failed.
Communication channels are combined to form the direction using the OR
switch, and the directions are separated using the AND switch.
i
It is a common practice to separate the Online
communication channels, which ensure the permanent
panel connection to the monitoring software and
allow to evaluate the channel health in real time.
Switching between channels of the same direction is done only when data
transmission via a channel with higher priority is failed.
For example with configuration shown on fig.19 switching to
the communication channel 3 of the first direction will be done
only if data transfer via two preceeding channels is failed.
If transmission through all communication channels is failed several
behaviors are possible: