Qvis iBox nvr User Manual page 19

Port Name
Alarm input
1-16
port.
Alarm input
port ground
end
NO1 to NO3 3-ch alarm
output port
C1 to C3
RS485
A
(RS-485)
communication
port
B
Power input
port
Power button
/
PoE PORTS
/
Power input
port
VIDEO OUT Video input
port
Audio input
MIC IN
port
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Connection Function

There are four groups. The first group is
I/O port
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).

When your alarm input device is using
external power, please make sure the
device and the NVS have the same
ground point.
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 cable A. You can connect
to the control devices such as speed dome
PTZ.
RS485_B.It is cable B. You can connect to the
control devices such as speed dome PTZ.
Input 12V DC.
/
Power on/off button.
/
Built-in Switch supports PoE function.
/
Switch power port. Input DC 48V.
/
CVBS output
/
Bidirectional talk input port. It is to receive the
/
analog audio signal output from the devices
such as a mike phone or pickup.
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