366
packet, multiple-cast is the best option to reduce the broad width and the CPU load. The source host
can just send out one data to transit. This function also depends on the relationship of the group member
and group of the outer.
Figure 5-44
5.10.2.12 Auto Register
The auto register interface is shown as below. See Figure 5-45.
This function allows the device to auto register to the proxy you specified. In this way, you can use the
client-end to access the NVR and etc via the proxy. Here the proxy has a switch function. In the network
service, device supports the server address of IPv4 or domain.
Please follow the steps listed below to use this function.
Please set proxy server address, port, and sub-device name at the device-end. Please enable the auto
register function, the device can auto register to the proxy server.
Figure 5-45
5.10.2.13 Alarm Centre
The alarm center interface is shown as below. See Figure 5-46.
This interface is reserved for you to develop. System can upload alarm signal to the alarm center when
local alarm occurs.
Before you use alarm center, please set server IP, port and etc. When an alarm occurs, system can send
out data as the protocol defined, so the client-end can get the data.
Summary of Contents for NVR21-S2 SERIES
Page 1: ...Dahua Network Video Recorder User s Manual V 4 3 0...
Page 138: ...124 Figure 3 5 3 6 6 NVR42N Series Please refer to Figure 3 6 for connection sample Figure 3 6...
Page 142: ...128 Figure 3 11 3 6 12 NVR42V 8P Series Please refer to Figure 3 12 for connection sample...
Page 143: ...129 Figure 3 12...
Page 157: ...143 Figure 4 15 Step 2 Click device display edit interface See Figure 4 16...
Page 220: ...206 Figure 4 93 Figure 4 94...
Page 240: ...226 Figure 4 110 Figure 4 111 Figure 4 112...
Page 251: ...237 Figure 4 123 Figure 4 124...
Page 253: ...239 Figure 4 126 Click draw button to draw the zone See Figure 4 127...
Page 257: ...243 Figure 4 130 Click Draw button to draw a zone See Figure 4 131 Figure 4 131...
Page 262: ...248 Figure 4 136 Click draw button to draw the zone See Figure 4 137...
Page 275: ...261 Figure 4 148 Figure 4 149...
Page 276: ...262 Figure 4 150 Figure 4 151...
Page 387: ...373 Figure 5 60 Figure 5 61...
Page 388: ...374 Figure 5 62 Figure 5 63...
Page 412: ...398 Figure 5 96 Figure 5 97...
