Serial Port - Dahua NVR21-4KS3 Series User Manual

● Click the drop-down list of the state; you can enable/disable holiday date.
● Click
Step 5 Click Next to save settings.

5.15.2 Serial Port

After setting RS-232 parameters, the NVR can use the COM port to connect to other device to debug
and operate.
Procedure
Step 1 Select MAIN MENU > SYSTEM > Serial Port.
Step 2 Configure parameters.
Parameter
Function
Baud Rate
to change the holiday information. Click
Figure 5-297 Serial port
Table 5-85 Serial port parameters
Description
Select serial port control protocol.
● Console: Upgrade the program and debug with the console and
mini terminal software.
● Keyboard: Control this Device with special keyboard.
● Adapter: Connect with PC directly for transparent transmission of
data.
● Protocol COM: Configure the function to protocol COM, in order to
overlay card number.
● PTZ Matrix: Connect matrix control
Different series products support different RS-232 functions.
Select baud rate, which is 115200 by default.
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User's Manual
to delete current date.