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User Manual
GWR High Speed Cellular Router Series
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Number of tries
Number of tries (default: 1) if network problem.
Timeout The amount of time to wait on I/O (network problem).
Period Time between update retry attempts, default value is 1800.
Reload
Click Reload to discard any changes and reload previous settings.
Save Click Save to save your changes back to the GWR Router.
Table 21 – DynDNS parameters
Settings
– Serial Port
Using the router’s serial port it is possible to perform serial–to–ethernet conversion (Serial port over
TCP/UDP) and ModbusRTU–to–TCP conversion (Modbus gateway). Initial Serial Port Settings page is
shown in figure bellow. By default above described features are disabled. Selecting one of two possible
applications of Serial port opens up additional options available for configuration.
Figure 41– Serial Port Settings initial menu
Serial port over TCP/UDP settings
The GWR Router provides a way for a user to connect from a network connection to a serial port. It
provides all the serial port setup, a configuration file to configure the ports, a control login for modifying
port parameters, monitoring ports, and controlling ports. The GWR Router supports RFC 2217 (remote
control of serial port parameters).
Serial Port over TCP/UDP Settings
Label Description
Bits per second
The unit and attached serial device, such as a modem, must agree on a speed or
baud rate to use for the serial connection. Valid baud rates are 300, 1200, 2400,
4800, 9600, 19200, 38400, 57600 or 115200.