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These settings adjust the serial interface properties.
Baud rate
Select the serial transmission speed ("300" to "115200" Baud).
Default: "9600"
Data bits
Select "7" or "8" data bits.
Default: "8"
Parity
Select "no", "even" or "odd" parity.
Default: "no"
Stop bits
Select "1" or "2" stop bits.
Default: "1"
Handshake
Select the type of handshake:
RTS/CTS lines not used: "none"
RS232/RS422: "Software flow control(XON/XOFF)" or "Hardware flow control (RTS/CTS)"
RS485: "RS485 direction control"
Default: "none" for Serial 1, "RS45 direction control" for Serial 2
Local port
Defines the network port on which the serial interface can be accessed for the gateway application. Only when "Local port" is set to "0" the serial interface can be used as a command interface.
If the serial gateway is enabled (Destination IP defined) and the "Local port" is set then this will be the source port of the TCP connection. On "0" a random source port is used.
Default: "12303"
Destination IP
To have this device actively establish a serial gateway select the destination IP address of the partner device.
Select "0.0.0.0" when the serial interface is only used locally.
Default: "0.0.0.0" (disabled)
Destination port
Defines the port for the active serial gateway function (see destination IP).
Default: "0" (disabled)
Notes
Both settings, "Destination IP" and "Destination port" have to be set to enable the gateway function.
Serial 2
Local port
Defines the network port on which the 2nd serial interface can be accessed for the serial gateway application. Default: "12304"
Destination IP
To have this device actively establish a serial gateway for serial port 2, select the destination IP address of the partner device.
Select "0.0.0.0" to disable.
Default: "0.0.0.0" (disabled)
Destination port
Defines the port for the active serial gateway function for serial port 2 (see destination IP).
Default: "0" (disabled)