Template:Webui services rs232 rs232 configuration modem

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In Modem serial type, the device imitates a dial-up modem. Connections to TCP/IP networks can be established using AT commands. The connection can be initiated by a device connected via the RS232 serial interface with an ATD command: ATD <HOST>:<PORT>. If Direct connect settings are specified, the connection to the server is always active. Data mode can be entered by issuing the ATD command. Incoming connections are indicated by sending a RING to the serial interface.

The figure below is an example of available configuration fields for the Modem serial type and the table below provides information on these fields: