184
Figure 7- 53 DNS
Card Overlay
Tit is the same with the card overlay function (chapter 5.5.9). It is mainly
for financial areas to Sniffer, information parse and character overlay.
The ATM/POS interface is shown as in Figure 7-55.
Source IP refers to host IP address that sends out information (usually it
is the device host connected to the DVR.)
Destination IP refers to other systems that receive information.
There are total four groups IP. The record channel applies to one group
(optional) only.
Six frame ID groups verification can guarantee information validity and
legal.
The start position, length and data can be set according to your protocol
and data packet. There are total four fields.
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