Adeunis RF ARF44 Manuel de l'utilisateur - Page 10
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RF44
A
User Guide
Transceiver or normal mode (serial data are transmitted on radio link)
At power up the transceiver is in transceiver mode: it is able to send / receive
data to / from the radio link according to its current parameter configuration.
Serial data rate
This module is only available with one data rate: 19200bps, 8 data bits, 1
stop bit, no parity, no flow control.
Command mode
The command mode is used to read and update the modem configuration
registers using AT command.
N
OTE
The AT command can be locked using ATPWD command.
In command mode, the radio is inhibited (reception and transmission),
excepted when using test command.
issues on the serial link a +++ sequence. The
Entering command mode :
sequence of 3 consecutive + characters is accepted only if no character have
been seen before and after the +++ sequence. Register (S214) defines the
silence duration. The 'O' char is returned if the +++ sequence has been
accepted.
if you are using a terminal (such as Hyperterm), you have to send
Tips 1 :
the +++ sequence using a text file (first create a text file containing only the
+++ characters, and then use in Hyperterm the command "Send text file" in
the "Transfer menu")
Ref. 08-07-V5-lmn
p. 8
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