Dahua NVR52-4KS2 SERIES User Manual

No. Port Name Function
1 Power button Turns on/o the NVR.
2 PoE port
Built-in switch. It can provide power for IPC.
●
16 PoE ports: 1-8 are ePoE ports (support 300m @ 100M. 800m
@ 10M). 9-16 are regular PoE ports.
●
Device with 16 PoEs supports 150 W total power.
3 eSATA port
External SATA port. It can connect device with SATA port. You
need to jump the HDD when there is peripherally connected
HDD.
4 HDMI port
High denition audio and video signal output port. It transmits
uncompressed high denition video and multiple-channel audio
data to displays with HDMI port. The two HDMI ports support 2-
channel high denition HDMI output of dierent sources.
5 VGA port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
6 RS-232 port
It is for general COM debugging to congure IP address and
transfer transparent COM data.
7
Alarm input port
(1-16)
●
There are four groups: 1-4, 5-8, 9-12 and 13-16.
They receive signals from external alarm source. Alarm input
includes two types; NO (normal open) and NC (normal close).
●
When your alarm input device is using external power, make
sure the device and the NVR have the same GND.
Alarm output port
(NO1-NO5, C1-C5,
NC5)
●
Five groups of alarm output ports (Group 1: NO1-C1, Group 2:
NO2-C2, Group 3: NO3-C3, Group 4: NO4-C4, Group 5: NO5,
C5, NC5). Output alarm signal to the external alarm device.
Make sure power supply is available for the external alarm
device.
●
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
NC: Normal close alarm output port.
GND. Alarm input ground port.
RS-485 port (A, B)
●
RS485_A port. Control cable A of the 485 device. It connects
external devices such as speed dome and PTZ.
●
RS485_B port. Control cable B of the 485 device. It connects
external devices such as speed dome and PTZ.
CTRL
Controllable 12 V power output. It is to
control the on-o alarm relay output. It
can be used to control the device alarm
output. At the same time, it can also be
used as the power input source of some
devices such as alarm detector.
The two ports serve
as another group of
alarm output ports.
User's Manual
67

Dahua NVR52-4KS2 SERIES Specifications

General

Brand	Dahua
Model	NVR52-4KS2 SERIES
Category	Network Hardware
Language	English