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BT V2.1 RS-232 adapter user manual V2.2_Male
5. Setup Command set (any capital or lowercase combination is available)
Command
?
ADDRESS=?
AT
AUTO=
(Default)
BAUD=
(Default)
BIT=
(Default)
CONNECT=
DEFAULT=Y
DFU=
ECHO=
Value
Description
List all the command set
This command is used to display the Bluetooth address of the local
adaptor.
Check the connection status between control terminal and the RS-232
adapter. Response: "OK" when the connection is ok. Response:
"ERROR" when the connection is not ok.
This command is used to enable/disable auto-connection feature. It is
available only when the adaptor is in the master role. All the slaves with
the same pin code will be connected.
Y
The Master role adapter will connect the latest paired Bluetooth device
automatically.
N
The user will connect the Bluetooth device manually.
?
Inquire the current setting.
This command is used to specify the baud rate of COM port.
The command will need 200 ms delay.
1200
1200 bps
2400
2400 bps
4800
4800 bps
9600
9600 bps
19200
19200 bps
38400
38400 bps
57600
57600 bps
115200
115200 bps
230400
230400 bps
?
Inquire the current baud rate.
Data bit
5
5 data bits
6
6 data bits
7
7 data bits
8
8 data bits
?
Inquire the data bit setting.
This command is used to establish a connection manually. It is available
only when the adaptor is in the master role.
1~8
Connect the adaptor to a Bluetooth device in the neighborhood found
through "SEARCH=?"
Connect the remote adapter by type the MAC address directly without
xxxxxxxxxxxx
searching.
Display the MAC address of the latest paired device.
?
This command is used to restore the default settings and originate a
warm start.
Y
Switch to the firmware upgrade procedure, please disconnect the COM
port when the adapter reply "OK". Send the firmware file by the
"Accessport" software, please check the link on page 6 section 9.3.
This command is used to specify whether the adaptor echoes
characters received from the UART back to the DTE/DCE.
3
2021.12.15
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