Control Commands; Command Format; Response Format - AOR AR2300 Operating Manual

3. Control commands (for terminal software)
The following are the specifications for the communication protocol used:
Communication speed: 115,200bps (default), 57,600bps, 38,400bps, 19,200bps, 9,600bps
Data: 8 bit
Stop bit: 1
Parity: None
Flow control: None or RTS/CTS
Echo: Off
Return Code: (PC
Return Code: (AR2300

3-1 Command format

<command><CR>
<command><parameter><CR>
<command><parameter 1><SP><parameter 2><SP><parameter 3><CR>
Each command is completed with a <CR>(0x0d).

3-2 Response format

Although there is no local echo, a specified response should come back from the AR2300 after
confirming the correct command.
If an invalid command is sent to the AR2300, ? <CR><LF> (0x3f, 0x0d, 0x0a) will be returned
as an unrecognized command.
<SP><CR><LF> (0x20, 0x0d, 0x0a) to a valid command (without parameter).
<command><value><CR><LF> to a valid command (with parameter.)
AR2300): <CR><0x0d>
PC): <CR><LF>(0x0d, 0x0a)
<LF> ignore
20