12
Attention!
Don
’
t forget to insert the SIM-card previously
–
see Chapter nr. 2.
Pay close attention to polarity of cables! The right side of the PWR connector is the positive (+),
the left side is the negative (-)!
1.3 Operation LED signals
The status LEDs are helping to understand the current operation of the device.
GSM: GSM/GPRS status LED -
red
The
GSM LED
is lighting when the device tries to build the cellular network connection, and it
is lighting of flashing until the TCP/IP connection is active on the network.
The numbers of the
LED
flashing sequence signs the current signal strength (RSSI) of the
wireless network (more flashing means better signal).
LED
Function
Description
LED
státusza
Operation
STA
Modem status
In case of normal operation it signs the 2G /
3G/ 4G cellular network communication and
its status
See the detailed description ot STA LED part
below.
below
yellow
flashing
/lighting
GSM
GSM receiving
signal strenght
Signing the available signal strenght
–
more
flashes = better signal strength
red
flashing
IN1
Input #1 signal
Signs the status of the #1 input line (I1INV
or IDELAY parameters are applied)
lights if the input wires are closed (active)
green
lighting
IN2
Input #2 signal
Signs the status of the #2 input line (I2INV
or IDELAY parameters are applied)
lights if the input wires are closed (active)
green
lighting
OUT
Output relay
Lighting when the relay is closed
Not lighting when the relay is opened
yellow
lighting
MDM RDY Modem operation
Modem status. Flashes intermittently if the
modem operates and accessible.
red
flashing
ALR
Alarm center
connection
Status of the alarm center line (Tip-Ring),
signs: speaker on, not lights: speaker off or
no alarm center presented
green
flashing
PWR
Operation
Signs the presence of the processor power
supply (3.3V)
green
lighting
