55
Port Name
Connector Function
MIC OUT
Audio output port
/
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
z
Bidirectional talk output.
z
Audio output on 1-window video monitor.
z
Audio output on 1-window video playback.
1-16
Alarm input port
1-16.
z
There are four groups. The first 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 signal from the external
alarm source. There are two types; NO
(normal open)/NC (normal close).
z
When your alarm input device is using
external power, please make sure the device
and the NVR have the same ground.
Ground end
Alarm input ground end.
NO1 to NO5
C1
～
C5
NC5
5-ch alarm output
port
z
5 groups of alarm output ports. (Group 1
：
port
NO1
～
C1,Group 2:port NO2
～
C2,Group
3:port NO3
～
C3, Group 4
：
port NO4
～
C4,
Group 5: port NO5, C5, NC5).Output alarm
signal to the alarm device. Please make sure
there is power to the external alarm device.
z
NO: Normal open alarm output port.
z
C: Alarm output public end.
z
NC: Normal close alarm output port.
A
RS485_A port. It is the cable A. You can connect
to the control devices such as speed dome PTZ.
B
RS485
（
RS-485
）
communication
port
I/O port
RS485_B.It is the cable B. You can connect to
the control devices such as speed dome PTZ.
CTRL 12V
/
/
Controller 12V power output. It is to control the
on-off 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 the alarm detector.
+12V
/
/
+12V power output port. It can provide the power
to some peripheral devices such as the camera
or the alarm device. Please note the supplying
power shall be below 1A.
Network port
/
10M/100M/1000M self-adaptive Ethernet ports.
Connect to the network cable.
eSATA
eSATA
port
/
External SATA port. It can connect to the device
of the SATA port. Please jump the HDD when
there is peripheral connected HDD.
USB2.0 port
/
Connect to USB mouse.
