Template:Webui services rs232 rs232 configuration modem table

field name	value	description
Direct connect	ip:port | host:port; Default: none	Maintains a constant connection to the specified host. Leave empty if you are planning to use an ATD command to initiate the connection
TCP port	integer [0..65535]; Default: none	Internal TCP port number used to listen for incoming connections. Leave it empty to disable incoming connections
Initiation string*	string; Default: none	A command string that will be sent to the modem to initiate the connection in some particular way (optional)
No extra CR LF in response	yes | no; Default: no	Removes extra CR LF before response code; removes LF after response code

* This is the AT command set used in Modem mode of the serial interfaces:

command	description	usage
A	Answers an incoming call	To answer incoming connection: ATA
D	Dials a number	To initiate data connection: ATD <HOST>:<PORT> To enter data mode with Direct connect settings: ATD
E	Local echo	Turn local echo ON: ATE1 Turn local echo OFF: ATE0
H	Hang up current call	To end data connection: ATH
O	Return to data mode	To return to data mode from command mode: ATO
Z	Reset to default configuration	To reset the modem to default configuration: ATZ