Rs232 - Dahua DHI-NVR5224-24P-4KS2 User Manual

4.10.3.1.2 Schedule
It is to set schedule broadcast function. You can play the different audio files in the specified periods. See
Figure 4-215.

4.10.4 RS232

After setting RS232 parameters, the NVR can use the COM port to connect to other device to debug and
operate.
From Main menu->Setting->System->RS232, RS232 interface is shown as below. There are five items.
See Figure 4-216.

Function: There are various devices for you to select.

Console is for you to use the COM or mini-end software to upgrade or debug the program.

Control keyboard is for you to control the device via the special keyboard.

Transparent COM (adapter) is to connect to the PC to transfer data directly.

Protocol COM is for card overlay function.

Network keyboard is for you to use the special keyboard to control the device.

PTZ matrix is to connect to the peripheral matrix control.
Note
Different series products support different RS232 functions. Please refer to the actual product for
detailed information.

Baud rate: You can select proper baud rate.

Data bit: You can select proper data bit. The value ranges from 5 to 8.

Stop bit: There are three values: 1/1.5/2.

Parity: there are five choices: none/odd/even/space mark.
System default setup is:
Figure 4-215
316