Specifications

38
Port Name Connection Function
Power button / / Power on/off button.
Power input
port
/ / Input AC 220V power.
MIC IN Audio input
port
/ Bidirectional talk input port. It is to receive the
analog audio signal output from the devices
such as mike phone, pickup.
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.
Groun
d end Alarm input ground end.
NO1 to NO5
C1 to 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.