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mobile service provider that the SIM card is active and ready to use data packet (IP
communication).
Restart the router by reconnecting the power connector.
RSSI and CSQ values (signal strength of the cellular network)
If you will receive 99 RSSI and CSQ signal value continuously, that means you have to
use another antenna or move the antenna to another position, whil you will get
appropriate signal values at reception.
Always use the proper antenna type regarding to the module and mobile network,
which is harmonized to the frequency/band. In other way the router will not abble to
access the network.
Note that for Narrow Band (NB-IoT) networks it could be needed to wait 5-15 minutes
for the first successfully network registration.
RS485 connection
You can connect Modbus devices, industrial measurement devices or meters to the
router with an RS485 cable using the RS485 terminal connector, with the appropriate
cable. Data communication can be defined in the
Services / Ser2net
menu, by enabling
and configuring the
RS485
option, and according the TFTP settings (of FTP data
transmission).