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9. LED INDICATION
The equipment indicates its current state using 3 LEDs, installed directly on PCB.
9.1. NETWORK LOG-IN
After SIM card is inserted and power supply connected to the equipment, the GSM network
log-in attempt is undertaken.
Description
GSM network
log-in
attempt
9.2. GSM RANGE
GSM signal strength is indicated by flashing green LED (1-8 blinks). The operation mode of
the equipment is indicated by green LED which goes on for 2 seconds after the range is
indicated. In case the LED does not go on for 2 seconds after the range is indicated, it
means SMS mode of equipment operation. Range indication is interrupted during data
transmission, after which the GSM range is displayed.
Description
GSM range = 8
GPRS mode
GSM range = 6
SMS mode
9.3. TRANSMISSION
During data transmission green LED indicates the data sending.
Description
GPRS
transmission
SMS
transmission
CPX200NB ALARM CONTROL UNIT – INSTALLER MANUAL
OK
(green)
OK
(green)
OK
(green)
LEDs
ERROR
(red)
LEDs
ERROR (red)
LEDs
ERROR
(red)
STATUS
(yellow)
STATUS
(yellow)
STATUS
(yellow)
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