M2M CONTROL C660 - Technical Manual V2.00
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Page 22 of 36
Switches
DIP-switch
The M2M Control C660 unit contains a dipswitch with two switches. The dipswitch is located on
the front panel for easy user access (see the graphical view).
System switch (RST)
The M2M Control C660 unit contains a combined reset/diagnostic switch. This switch is accessible
from the front of the unit (see graphical view) It is necessary to use a small thin object with a
diameter of approx. 2 mm, for example a straightened-out paper clip for this purpose.
By activating the switch shortly the C660 unit will do a complete reset, as if the power was
removed and reapplied.
If the reset switch is held down for approx. 3 seconds
1
the unit will enter recovery mode
2
where the
application will not be started. In recovery mode the system will automatically turn on the GSM
module to establish a connection to the GSM network and M2M Control GPRS Gateway (if
configured). This method will also activate the unit when the unit is in power-down mode.
1
System LED S2 will flash three times when this state is entered.
2
System LED S1 will indicates this state by fast blinking green or yellow.