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4.2 +BSERAO: Serial Port Always-On
Description
This command is used to configure whether the serial port device shall go into sleep mode when
no activity is detected on the serial port (no signal on DTR, Tx and RTS) or remain always on.
Availability
Since FW version 3.3.0
Command Syntax
AT+BSERAO=<action>
Response Syntax
+BSERAO: <action>
Defined Values
<action>
0 Disable; the serial port may go into sleep mode.
1 Enable (default); the serial port is always-on.
Example
Commands Responses
AT+BSERAO? +BSERAO: 1
OK
AT+BSERAO=0 OK
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