Dahua XVR4108HS User Manual

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Do not merely count the alarm input and out channel amount according to the ports
on the rear panel.
Figure 3- 1
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
ALARM 1 to ALARM 16. The alarm becomes active
in low voltage.
In the second line, from the left to the
right:
NO1 C1,
NO2 C2,
NO3 C3,
NO4 C4,
NO5 C5,
NO6 C6.
There are six groups of normal open activation
output (on/off button)
CTRL 12V
Control power output. For external alarm, you need
to close the device power to cancel the alarm.
Voltage current; 500mA.
+12V
Rated current.
Voltage current; 500mA.
Earth cable.
485 A/B
485 communication port. They are used to control
devices such as decoder. 120Ω should be parallel
connected between A, B lines if there are too many
PTZ decoders.
T+,T-,R+,R-
They are four-wire full-duplex RS485 port
T+ T-: output wire
R+ R-: input wire
3.7.2 Alarm Input Port
Please refer to the following sheet for more information.
 Grounding alarm inputs. Normal open or Normal close type)
 Please parallel connect COM end and GND end of the alarm detector (Provide
external power to the alarm detector).

Dahua XVR4108HS Specifications

General

Video Compression	H.265+/H.265/H.264+/H.264
Audio Input/Output	1/1, RCA
USB	2 USB 2.0
Power Supply	DC12V/2A
Main Processor	Embedded Processor
Operating System	Embedded LINUX
HDCVI Camera	1080p@25/30 fps, 720p@25/30 fps
AHD Camera	1080p@25/30 fps, 720p@25/30 fps
TVI Camera	1080p@25/30 fps, 720p@25/30 fps
Record Mode	Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop
Video Output	1 HDMI, 1 VGA
Display Split	1/4/8/9
OSD	Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Smart Phone	iPhone, iPad, Android
HDD	1 SATA Port, up to 6TB
Video Input	8 channels
IP Camera Input	8+2 channel, each channel up to 5MP
Recording Resolution	1080N, 720P, 960H, D1, HD1, CIF
Record Rate	Main Stream: 1080N/720P/960H/D1/HD1/BCIF/CIF/QCIF (1~25/30fps)
Bit Rate	32 Kbps–6144 Kbps per channel
Record Interval	1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Resolution	1920×1080, 1280×1024, 1280×720
Network Interface	RJ-45 port (10/100M)
Interoperability	ONVIF
Working Environment	-10°C to +55°C / 10% to 90% RH
Weight	0.75kg (without HDD)
Two-way Talk	Reuse audio input/output channel 1