Dahua nvr4208-8p User Manual

121
Please refer to the following sheet for detailed information.
Name
Function
Power switch
Power on/off button.
Power input port
Input DC 12V/4A.
For NVR42-4KS2 series product only.
Switch power port. Input DC 48/96W
For NVR42-P-4KS2 series product only.
Input AC90V~264V-12V5A/52V2.5A-190W.
For NVR42-8P-4KS2/NVR42-16P-4KS2 series product
only.
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the analog
audio signal output from the devices such as
microphone, pickup.
MIC OUT
Audio output port
Audio output port. It is to output the analog audio signal
to the devices such as the sound box.
 Bidirectional talk output.
 Audio output on 1-window video monitor.
 Audio output on 1-window video playback.
1～4
Alarm input port
1～4
 There are two types; NO (normal open)/NC
(normal close).
 When your alarm input device is using external
power, please make sure the device and the NVR
have the same ground.
GND
Alarm input ground port.
N1, N2
Alarm output port
1～2
 2 groups of alarm output ports. (Group 1：port
NO1～C1,Group 2:port NO2～C2).Output alarm
signal to the alarm device. Please make sure there
is power to the external alarm device.
 NO：Normal open alarm output port.
 C：Alarm output public end.
C1, C2
A
RS-485
communication
port
RS485_A port. It is the cable A. You can connect to the
control devices such as speed dome PTZ.
B
RS485_B.It is the cable B. You can connect to the
control devices such as speed dome PTZ.
Network port
10M/100M/1000Mbps self-adaptive Ethernet port.
Connect to the network cable.

Dahua nvr4208-8p Specifications

General

Operating System	Embedded LINUX
IP Camera Input	8 channel
Two-way Talk	1 channel Input, 1 channel Output, RCA
Interface	1 HDMI, 1 VGA
OSD	Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Record Interval	1 ~ 120 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Ethernet	1 RJ-45 Port (10/100/1000Mbps)
Max. User Access	128 users
Smart Phone	iPhone, iPad, Android
HDD Bays	1
Operating Temperature	-10°C ~ +55°C (+14°F ~ +131°F)
Main Processor	Dual-core embedded processor
Multi-screen Display	1/4/9
Video Detection and Alarm	Motion Detection, MD Zones: 396 (22 x 18), Video Loss, Camera Blank
Alarm input	4
Relay Output	2
Compression	H.265, H.264
Recording Resolution	Up to 8MP
Record Mode	Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Camera Blank, Video Loss)
PoE	8 ports (IEEE802.3af/at)
Protocols	HTTP, 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 Interface	2 USB2.0
Power Supply	AC 100~240V, 50/60 Hz
Power Consumption	NVR: <10W (without HDD), PoE: Max 25.5W for single port, 130W total
Operating Humidity	10%~90% RH