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This DNS is special software, not the normal domain name server. You can use the provided
SDK to develop this DNS software.
Multicast IP：It is one D-class IP address, among 224.0.0.0 --- 239.255.255.255. If you do
not use multicast function, you do not need to set. Some routers will prohibit multicast
function in case of network storm.
Remote Host IP and Port：If you set this IP and port, when there is alarm and exception
happened, DVR will send information to that host IP. The center with this IP can receive
alarm and exception information from DVR. You can use SDK to develop this center
software.
NAS：Network access storage. DVR will regard network HDD as local HDD. If you enable
this function, DVR will send and save the real time image to that network HDD.
NAS IP：The IP of that network storage server.
Dir：The directory name shared by that network storage server.
This function is not available.
HttpPort：The port is for IE browser. The default value is 80. It can be modified.
PPPoE：DVR support PPPoE dail-up function.
Example：Use PPPoE function
Step 1：Enter into “Network” menu.
Step 2：Select NIC type.
Step 3：Input port number. In the port edit box, use numeric keys to input port number. The
port number must be more than 2000.
Step 4：Input DNS IP. Input one fixed Internet IP address where the IP analyst software
(IPServer) is run.
Step 5：Input PPPoE parameters. Use【ENTER】or【EDIT】key to enable PPPoE function
(set PPPoE flag as “√”). Input PPPoE username, password and verify password that
ISP provided.
Step 6：Save parameters. In “Network” menu, press “Confirm” to save parameters. Reboot
DVR to make parameters into effect. In reboot process, DVR will start dialup using
PPPoE function. If DVR dialup Internet successfully, DVR will display the dynamic
internet IP address in “Network” menu.
5.15 PTZ
There is one RS-485 port at DVR rear panel used for PTZ control. You can setup RS-485
parameters to match your PTZ protocol. In main menu, move “Active Frame” to PTZ icon
and press【ENTER】key, you can enter into PTZ menu as following：