Device Activity Indication
STATUS LED Indication
Description
Off
No power supply or some fault is present
Flashing several times per second
SIM card is not inserted / insterted improperly
On
Device is operating and ready for use
Working Mode Indication
INFO LED Indication
Description
Off
Device is in standby mode
Flashing several times
per second
Device retransmits the data sent from alarm system to the monitoring station (this
indication is possible when device is operating in communication mode 1)
On
Device is decoding data to user-understandable text format.
2.3 Connection Circuit
COM connectors of ET082 and alarm system unit must be connected.
ET082 inputs Z1 - Z3 are connected to PGM outputs of alarm system unit if PGM output is
im plemented as open collector circuit or any other circuit and if it commutes with COM. It is
also possible to connect motion sensor or any other sensor to ET082 Z1 - Z3 inputs.
ET082 C1 - C3 outputs can be connected to the input of electrical appliances if it commutes
with COM. This connection allows to control heating, lighting, gates, blinds, water pump etc.
ET082
Alarm system
or other appliance
+12V
PGM
Cx
DC+ COM
Zx
ATTENTION:
Before connecting ET082 power supply to alarm system's auxiliary
output (AUX), please, make sure that the output is able to maintain peak curent
consumption of up to 700mA max. Otherwise, please, use an external power sup
-
ply for ET082.
Fig. No 3
