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D X-3 021 Se ri es Ind ustr ia l 4G C lo ud Ro u ter
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3.4
Interface
You can set up the interface configurations, including the RS232, RS485, Modbus TCP, DI/DO and USB interface.
3.4.1
RS232
RS232 (Recommended Standard - 232) is a telecommunication standard for binary serial communications between
devices. It supports seven work modes, include: Transparent mode, Slave mode, Master mode, Serial Server-TCP Server,
Serial Server-TCP Client, Serial Server-UDP Client and MC Master mode.
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You can set up the configurations for RS232, including Baud Rate, Data Bits, Stop Bits, Parity Bits and Flow Control.
Working Mode
Select the working mode for the current active serial port.
Baud Rate
Set up the baud rate for the serial port. Options are 2400, 4800, 9600, 19200,
38400, 57600 and 115200.
Data Bits
Set up the data bits for the serial port. Options are 7 and 8. It must be set to 8
when communication mode is Modbus RTU.
Stop Bits
Set up the stop bits for the serial port. Options are 1 and 2.
Parity Bits
Set up the parity bits for the serial port. Options are None, Odd and Even.
Flow Control
Set up the flow control. Options are None, XON, XOFF, RTS, and CTS.
Transparent mode
This mode is suitable for uploading and downloading data remotely via the serial port.
3 - 3 0
Description
Description
Default
Enabled
Default
Close
9600
8
1
None
None
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