Dahua NVR41 series

User's Manual
344
4.14 System
4.14.1 General
You can set device general information. It includes device information, system date. Refer to
"4.1.4.1 General" for detailed information.
4.14.2 RS232
After setting RS-232 parameters, the NVR can use the COM port to connect to other device to
debug and operate.
Step 1 Select
MAIN MENU
>
SYSTEM
>
RS232
.
Step 2 The
RS232
interface is displayed. See Figure 4-246.
Figure 4-246
Step 3 Configure parameters. See Table 4-80.
Table 4-80
Parameter
Description
Function
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 RS232 functions. The
actual product shall prevail.