Teltonika FMB1YX User Manual page 27

Accessories
Description
Alarm buttons, door
sensors, ignition, etc.
return two states: high
or low voltage.
FMB1YX Digital inputs
are used to read this
information.
In cases when sensor
FMB1YX output signal
is negative, an
additional relay has to
be installed to convert
negative signal to
positive.
Immobilizer relay
When connected as
shown below, FMB1YX
disables engine starter
when output is ON.
More details about
relays can be found
below.
Relays
Accessories connection schemes
Inverting relay connection
Immobilizer relay connection
Automotive relay pinout
27