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Dahua nvr4208-8p User Manual

Dahua nvr4208-8p
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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 5-40
5.8.2.13 Auto Register
The auto register interface is shown as below. See Figure 5-41.
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 5-41
5.8.2.14 Alarm Centre
The alarm center interface is shown as below. See Figure 5-42.
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.

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Dahua nvr4208-8p Specifications

General IconGeneral
Operating SystemEmbedded LINUX
IP Camera Input8 channel
Two-way Talk1 channel Input, 1 channel Output, RCA
Interface1 HDMI, 1 VGA
OSDCamera title, Time, Video loss, Camera lock, Motion detection, Recording
Record Interval1 ~ 120 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Ethernet1 RJ-45 Port (10/100/1000Mbps)
Max. User Access128 users
Smart PhoneiPhone, iPad, Android
HDD Bays1
Operating Temperature-10°C ~ +55°C (+14°F ~ +131°F)
Main ProcessorDual-core embedded processor
Multi-screen Display1/4/9
Video Detection and AlarmMotion Detection, MD Zones: 396 (22 x 18), Video Loss, Camera Blank
Alarm input4
Relay Output2
CompressionH.265, H.264
Recording ResolutionUp to 8MP
Record ModeManual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Camera Blank, Video Loss)
PoE8 ports (IEEE802.3af/at)
ProtocolsHTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Support Dahua IP camera, DVR, NVS, etc.)
USB Interface2 USB2.0
Power SupplyAC 100~240V, 50/60 Hz
Power ConsumptionNVR: <10W (without HDD), PoE: Max 25.5W for single port, 130W total
Operating Humidity10%~90% RH

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