User Guide | COMFORT SERENITY MQTT | NB-IoT / LTE-Cat-M1
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4.5.2 Startup of the product via NFC IoT Configurator app
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Go to the "CONFIGURATION" menu of the sensor => Select the
"PRODUCT ACTIVATION" section => Enable "PRODUCTION" mode =>
Apply the new configuration to the product via NFC.
The green LED then flashes rapidly during the mode change phase (rapid blinking of
5 cycles with 100 ms ON / 100 ms OFF).
In case of a faulty product, the red LED will light up for 15 seconds, and then the
product will reboot.
Once the product is configured in PRODUCTION mode, it will immediately attempt to
attach to the network in order to take measurements and communicate them to a
server.
4.6 Network attachment
4.6.1 Startup Network Attachment and Configuration
The product performs a network attachment phase at startup (when transitioning to
PRODUCTION mode).
4.6.1.1 Automatic Network Attachment
If a single-operator Nano SIM card is inserted into the product, it will automatically
attach to the network.
If a multi-operator or multi-technology Nano SIM card is inserted into the product, it
will automatically search and select the best operator or technology at product
startup (based on the list of operators supported by the SIM card).
