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7.4. PROGRAMMING
After the programming mode is detected, LEDs start indicating the programming state.
Description
Service cable
connected
Programming in
CSD mode
7.5. FIRMWARE UPDATE
During programming the bootloader activity is indicated. In case of error during updating
process, bootloader remains in the equipment and repeated equipment programming is
possible.
Description
No software in the
equipment
Software update
Decryption of
firmware received
7.6. NO SIM CARD OR SIM CARD DAMAGED
In case of any problems with SIM card the equipment indicates it with a red ERROR LED and
green OK LED.
LED
OK (green)
ERROR (red)
7.7. SYSTEM ERROR
During the equipment's operation errors can occur. Error is indicated by constant light of red
LED and most often it means a communication problem with a modem or SIM card.
CPX220NWB ALARM CONTROL UNIT – INSTALLER MANUAL
OK
(green)
Indication
LEDs
ERROR
(red)
OK
(green)
LEDs
ERROR
(red)
STATUS
(yellow)
STATUS
(yellow)
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