Dahua DH-XVR5416L-X, Руководство пользователя

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Local Configurations 286
Figure 5-260
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.

It is Console by default.
Baud Rate Select Baud rate, which is 115200 by default.
Data Bits It ranges from 5 to 8, which is 8 by default.
Stop Bits It includes 1 and 2.
Parity It includes none, odd, even, mark and null. It is none by default.
Table 5-76
5.19.3 Configuring Security Settings
To ensure the network security and protect data, you can configure the access permission to
the Device from host IP (host IP means the PC or server that has an IP).
 White list includes the host IP that are permitted to access the Device.

Black list includes the host IP that are not permitted to access the Device.
 Updata time white list includes the host IP that are permitted to sync the Device time.