User's Manual
48
No. Port Name Function
2 eSATA port
External SATA port. It can connect device with SATA port.
You need to jump the HDD when there is peripherally
connected HDD.
3 VGA port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
4 RS-232 port
It is for general COM debugging to configure IP address and
transfer transparent COM data.
5
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-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 alarm detector.
The two ports serve
as another group of
alarm output ports.
+12 V power output port. It can
provide power to some peripheral
devices such as camera and alarm
device. Make sure the power
supply of peripheral device shall
be below 1 A.
6 MIC IN
Bidirectional talk input port. It is to receive analog audio
signal from devices such as microphone, sound pickup.
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