Some features are available depending on the firmware version (if you have a previous version please contact us in order to upgrade the unit)
- SMS alarms and control since firmware 4.0.0
- Script Programing since firmware 5.0.0
- Embedded Modbus slave since firmware 5.2.0
- External satellite modem connection since firmware 5.2.0

The RS232 port is of the 5-wire DTE type (TX, RX, RTS, CTS, GND) and has a terminal board for its connections.
The RS485 port is of the 2-wire type (TR+ and TR-) and has a terminal board for its connections.
There's no need to configure whether you are going to use the port RS232 or RS485. Just connect the wires to the corresponding terminals.
2017-06-09