LM Technologies LM048 - Master Role Configuration; Configure Master-Slave Adapter Pair; Wire Configuration

Step 6: Input “A” in the le.
If no echo, that is, nothing is displayed when you input “A”, it
indicates that the COM port settings are incorrect or slide switch is
in the wrong position.
Step 7: Input “AT”, and then press <Enter>. “OK” is displayed.
If necessary, reprogram the conguration of adapter using AT
commands. For related commands, please refer to section 7.8 AT
Command Set.
7.3 Master Role Conguration
You can use “AT+ROLEM” to change the adapter to the master role.
When the adapter is in the master role, you can use “AT+ACON-” to
manually set up a connection and “AT+FIND?” to nd the device you
want to connect.
7.4 Congure Master-Slave adapter pair
Please refer to conguration utility software (Section 8) to congure a
master slave adapter pair. Once the conguration is done, the pair will
connect to each other automatically.
7.5 3 wire conguration (Tx, Rx, GND)
The default conguration is the 3 wire conguration in which only Tx,
Rx and GND lines are used. Set the 3 wire conguration by sending
AT+FLOW- and AT+MODEM- command.
7.6 5 wire conguration (Tx, Rx, GND, RTS, CTS)
Set 5 wire conguration which uses RTS, CTS ow control signals by
sending AT+FLOW+ and AT+MODEM- command. RTS, CTS status is not
transferred wirelessly over Bluetooth link to the remote side.
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