LX20B – Manual Page 31 / 67
7.1.3.1.2. Secondary server
Interval between subsequent connection attempts
If device can not connect to primary server defined this after exhaustion for him
number of attempts, it will begin realizing the procedure of connecting to backup
server. We in this place define space of time (in seconds), after which test will
connecting renewed if previous finished with failure.
Number of connection attempts before switching to the other server
In this field you determine how often device will try to make connection to backup
server. If connections fail, LX20B after execution of some connection will back to
procedure of connection to primary server.
Disconnect after
If you mark this choice field the device will disconnect from back up server after
passage of set time. Further operation depends on defined parameter Order of
connection (See clause 1.1). If this option is active the device reconnects to the
primary server. If this option is not active the device firstly completes connection to
backup server procedure and if this fails, the device will try to connect to the
primary server.
7.1.3.1.3. 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)
7.1.3.1.4. Start with Primary Server after connection failure
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).
7.1.3.2. SMS
If SMS or GPRS & SMS working mode is selected for one of the servers, you can
define the parameters related to the connections between the device and the server
via GPRS in this section.
7.1.3.2.1. SMS mode after failed connection attempts attempts
Define number of reconnections to server. If during all reconnections fail the device
will go into SMS mode. In this mode LX20B will try to make connection with server,
according to interval defined in clause.
7.1.3.2.2. Test events period
This function is analogical to GPRS. It is activated when problems with GPRS
transmission follow when the device automatically goes into SMS mode (it relates to
operation mode in SMS). Usually it is undesirable to send text as SMS so often as
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