EW50 Industrial LTE Cellular Gateway
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Chapter 4 Field Communication
4.1 Bus & Protocol
The gateway may be equipped with a serial port for serial communication by connecting an RS-232 or RS-485
serial device to an IP-based Ethernet LAN. These communication protocols make allow for easy access to serial
devices anywhere over a local LAN or the Internet. They can be "Virtual COM" and "Modbus".
4.1.1 Port Configuration
Before using the supported field communication function, like Virtual COM or Modbus, you need to configure
the physical communication port first.
The port configuration screen allows user to configure the operation mode and physical layer settings for each
serial interface, and also can quickly switch from one communication protocol to another for the serial port.
The number of ports and type of the supported protocols will vary depending on gateway model.
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General