User's Manual

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4.6.8 Configuring RS-232 port function
After the RS-232 function is set, the device can be connected to other devices through the
serial port for tuning and operation.
Select Main Menu > OTHERS > RS232.
The RS232 settings interface is displayed, see Figure 4-86.
RS232 settings
Select the MainCom or Extended Serial Port tab according to the serial port
function.
 Select the MainCom tab when using a normal serial port or connecting a car
lamp box.
 When RS485 is used, select the Extended Serial Port tab.
Configure TCP/IP parameters. For details, see Table 4-27.
Table 4-27 Serial port parameter description
Name
Description
Function
Select the corresponding protocol
Console: Upgrades programs and debug by suing the serial interface and
mini terminal software
Vehicle lamp box: An external vehicle lamp box can be connected.
RS485: External RS485 peripherals can be connected.
Baud rate
The times of signal changes on the transmission line in time unit
For a console and RS485, the default baud rate is 115200.
The default baud rate of the vehicle lamp box is 9600.
Data bit
Select a data bit. The options include 5,6, 7, and 8
Stop bit
Select a stop bit. The options includes 1, 1.5, and 2
Parity Select a parity mode from None, Odd, Even, Mark, and Null
Click Apply.