Configuring Rs-232 Port Function - Dahua MXVR1004 Series User Manual

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.
Step 1 Select Main Menu > OTHERS > RS232.
The RS232 settings interface is displayed, see Figure 4-85.
Step 2 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.

Step 3 Configure TCP/IP parameters. For details, see Table 4-27.
Name Description
Select the corresponding protocol

Function


The times of signal changes on the transmission line in time unit
Baud rate 

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
Step 4 Click Apply.
Figure 4-85 RS232 settings
Table 4-27 Serial port parameter description
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.
For a console and RS485, the default baud rate is 115200.
The default baud rate of the vehicle lamp box is 9600.
Local Configurations 102