Nice Infinity Shock G2 Instructions And Warnings For Installation And Use page 52

The example below
shows the connection of
a sensor to zone 1.
S
In order to connect more than one
sensor to a same zone, follow the
example. Follow the same logic to
increase the number of sensors.
Note that the "alarm" contacts
should be connected in series. In
this case, any sensor that is violated
will trigger zone 1 of the central.
52
_ENGLISH
The example below
shows the connection of
two sensors to zone 1.
S
ATTENTION:
In order to enable the zone with the wire,
remove the jumper corresponding to the zone
(JZ jumper).