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ARF868 Radio Modems- Guide utilisateur / User guide version V2.2.3
3. Data exchange – Communication mode
Principe :
The communication mode is the default mode.
On switching on the modem is configured in RS232, 9.6kbps (serial link), 2.4kbps (RF data rate).
By default, the modem is in permanent listening mode of the RF interface and the UART port.
•
As soon as a frame from the RF link is demodulated, its content is transmitted to the UART port
•
As soon as a character chain is detected on the UART port, it is transmitted to the RF link.
"Air" communication takes place according to the following choice of protocols:
•
Packetized secured or non-secured
•
Continuous asynchronous (default mode)
•
"Legacy X3Pro" continuous asynchronous
ASYNCHRONOUS
Transparent
CONTINUOUS
Adressed
PACKETIZED
Adressed
SECURED
Transparent
PACKETIZED
NON
SECURED
Adressed
Transparent
LEGACY X3-
PRO
Adressed
CONTINUOUS
With sub-
network
Without sub-
network
Without sub-
network
With sub-
network
Without sub-
network
With sub-
network
Without sub-
network
Repeater
With sub-
network
Without sub-
network
Repeater
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