8.1.3.1. Ethernet and GPRS Parameters
Channel Role (Channel Priority)
By the term channel we mean the data transmission channel to the monitoring
center. This can be Ethernet, GPRS or SMS. The transmitter while connecting to the
monitoring station is trying to select main channel first, then a backup one, and
emergency channel at last. If there is an address and port of backup server provided,
then we try to take advantage of this connection before switching to another
transmission channel. When in the result of the disconnection in the main channel, a
channel with lower priority is used, then the availability of primary channel is being
checked periodically. If the connection to main channel returns, the transmitter will
switch over to it and will try to stay on it. You can set channel role as “unused” – so
the communication in this way will not be possible.
There are four settings possible:
Unused
Main
Backup
Emergency
Test Events Period
The device sends message “Test” with determined interval that informs monitoring
station that the device is in operation mode. In this field you can determine how
often this message will be sent (in seconds).
Primary Server Parameters
Interval between subsequent connection attempts
Configured and equipped with SIM card device will try to make automatic connection
with server. In this field you define interval (in seconds) after which next connection
attempt will follow if the previous attempt failed.
Number of connections attempts before switching to backup server
In this filed you determine how many times the device will try to make connection to
primary server. If connection fail, after execution of some connections, device will
start connecting to backup server.
Always try to connect to primary server at first
Mark this check box means, that the device will try in first order to connect to
primary server, without regard on definition of parameters for backup server
(especially number of connection attempts).
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