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No.
Port Name
Alarm input/output
of NVR4216-16P-I
5
HDMI port
6
USB port
7
Network port
8
MIC IN
Function
GND. Alarm input ground port.
RS485_A port. Control cable A of the 485
●
device. It connects external devices such as
speed dome and PTZ.
RS-485 port
(A, B)
RS485_B port. Control cable B of the 485
●
device. It connects external devices such as
speed dome and PTZ.
They receive signals from external alarm
●
source. Alarm input includes two types; NO
(normal open) and NC (normal close).
Alarm input
port (1-4)
When your alarm input device is using external
●
power, make sure the device and the NVR have
the same GND.
One group of alarm output ports (Group 1:
●
NO1-C1). Output alarm signal to the external
Alarm output
alarm device. Make sure power supply is
port (NO1,
available for the external alarm device.
C1)
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
GND. Alarm input ground port.
Controllable 12 V power output. It is to
control the on-off alarm relay output. It
can be used to control the device alarm
CTRL
output. At the same time, it can also be
used as the power input source of some
devices such as alarm detector.
+12 V power output port. It can provide
power to some peripheral devices such
P
as camera and alarm device. Make sure
the power supply of peripheral device
shall be below 1 A.
High definition audio and video signal output port. It transmits
uncompressed high definition video and multiple-channel audio
data to displays with HDMI port.
USB 3.0 port. Connect to devices such as mouse, USB storage
device and USB burner.
10/100/1000 Mbps self-adaptive Ethernet port. Connect to the
network cable.
Bidirectional talk input port. It is to receive analog audio signal
from devices such as microphone, sound pickup.
63
User's Manual
The two
ports
serve as
another
group
of alarm
output
ports.
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