Security Camera King NVR-ELC-16 User Manual page 24

Port Name
HDMI High Definition Media
Interface
VGA VGA video output port
1-16 Alarm input port.
Alarm input port
ground end
NO1 to NO3 3-ch alarm output port
C1 to C3
A RS485 (RS-485)
communication port
B
Power input port
Power button
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2.2.7 NVR-ELM-16-POE4 Series
The rear panel of the NVR-ELM-16-POE4 series is shown as below. See Figure 2-23.
Connection Function
High definition audio and video signal
output port. It transmits uncompressed
high definition video and
multiple-channel data to the HDMI port
of the display device.
VGA VGA video output port. Output analog
video signal. It can connect to the
monitor to view analog video.
There are four groups. The first
I/O port
group is from port 1 to port 4, the
second group is from port 5 to port
8, the third group is from 9 to 12,
and the fourth group is from 13 to
16. They are to receive the on-off
signal from the external alarm
source. 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.
Alarm input ground end.
3 groups of alarm output ports.
(Group 1：port NO1～C1,Group
2:port NO2～C2,Group 3:port
NO3～C3）).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.
RS485_A port. It is the cable A. You
can connect to the control devices such
as speed dome PTZ.
RS485_B.It is the cable B. You can
connect to the control devices such as
speed dome PTZ.
Input 12V DC.
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Power on/off button.
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