CARLO GAVAZZI VMU-C EM, Instruction Manual

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VMU-C
VMU-C Instruction manual 30
3.1.7.2 MODEM WATCHDOG
Modem Watchdog
It is possible to overcome common issues in mobile communication by means of 3
different mechanisms:
1) Ping Reboot: if enabled, VMU-C + VMU-W sends a PING to the defined IP
address (to be chosen as a reliable always ON server on Internet). In the case of
repeated lost answer from the PING, the system reboots
2) Scheduled reboot: the system reboots each interval time (chosen in the relevant
parameter field)
3) SMS command: see next section
3.1.7.3 SMS COMMANDS
SMS COMMANDS SETTINGS
The following command are available by sending SMS to the VMU-
W’s SIM number:
Command Syntax Notes
VMU-C Reboot REBOOT PASSWORD
(e.g. REBOOT 1234) Password defined by the
user in the relevant
section in the page
above; the system
sends an acknowledge
to the calling phone
(REBOOT OK)
Data communication
ON DATA MODEM ON PASSWORD
(e.g. DATA MODEM ON 1234) Password defined by the
user in the relevant
section in the page
above; the system
sends an acknowledge
to the calling phone
(DATA MODEM ON OK)
Data communication
OFF DATA MODEM OFF PASSWORD
(e.g. DATA MODEM OFF 1234) Password defined by the
user in the relevant
section in the page
above; the system
sends an acknowledge