Dahua HCVR5104C User Manual page 486

4.9.5.7.2 Network Type
The network type interface is shown as below. See Figure 4- 213.
Please use network type if you using network to connect to the device. The interface is
generally the same as the COM mode. The protocol depends on your self-develop
protocol. The setup may vary since connected device or the protocol is not the same.
Here we take the ATM/POS protocol to continue.
Protocol: It is to set COM sniffer protocol. You need to select protocol according to

your own development situation.
Overlay mode: There are two options: preview and encode. Preview means overlay

the card number in the local monitor video. Encode means overlay the card number
in the record file. You can view the corresponding information when playback.
Overlay Position: Here you can select the proper overlay position from the dropdown

list.
Data group: There are total four groups IP.

Source IP: Source IP refers to host IP address that sends out information (usually it is

the device host.)
Destination IP: Destination IP refers to other systems that receive information.

Source port/destination port: Please input according to your own situation.

Record channel: It is for you to check record channel. The record channel applies to

one group (optional) only.
Frame ID: Six frame ID groups verification can guarantee information validity and

legal. You need to input start position, length, key and etc according to your
Figure 4- 212
470