Gewiss 20 Serie Bedienungsanleitung Seite 20

TX-RX RANGE OF THE GW 20 481 CONTROL UNIT
GW 20 477
GW 20 473
KEYBOARD
GW 20 478
SOLUTION 2
It is not possible to move the control unit, but it is possible to change the positions of both the siren and
the GW 20 477 sensor.
This solution maintains the previous quality of the signals from the sensors and the actuator and now permits good
transmission levels from the control unit towards the self-powered siren, whilst the transmission signal from the
GW 20 477 movement sensor remains critical. GW 20 475 system status display module.
SIGNAL RANGE OF THE GW 20 480 REPEATER
GW 20 477
GW 20 473
KEYBOARD
GW 20 478
SOLUTION 3
This option uses a GW 20 480 type TX and RX repeater to be installed in the best possible position and
connected by cable to the control unit.
In this case the GW 20 480 repeater extends the control unit TX and RX signals, it automatically excludes the
functions of the control unit RX circuit and becomes the convergence point for all the transmission and reception
signals. Adopting this solution it is possible to return to the original installation layout of the various devices as they
all now transmit and receive good signals.
CRITICAL
GOOD
SIGNAL
SIGNAL
GW 20 481
BASEMENT
GOOD
SIGNALS
GW 20 480
GOOD
GOOD
SIGNALS
SIGNALS
GW 20 481
NO RX
BASEMENT
20
GW 20 490
GW 20 479
GW 20 475
GW 20 478
GW 20 472
USER WITH
REMOTE CONTROL
GW 20 490
GW 20 477
GW 20 479
GW 20 475
ACTUATOR
GW 20 478
GW 20 472
USER WITH
REMOTE CONTROL
GW 20 477