IC Realtime 4/8/16/32 Channel 2U Network Video Recorder - Manual (Page 22)

13
Port Name Connection Function
RS232 232 debug
COM.
It is for general COM debug to configure IP
address or transfer transparent COM data.
HDMI High
Definition
Media
Interface
High definition audio and video signal output
port. It transmits uncompressed high definition
video and multiple-channel data to the HDMI
port of the display device.
VGA
VGA video
output port VGA VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
1-16 Alarm input
port.
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 NVS have the same
ground.
Alarm input
port ground
end Alarm input ground end.
NO1 to NO3
C1 to C3
3-ch alarm
output port
z
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.
z
NO：Normal open alarm output port.
z
C：Alarm output public end.
A RS485_A port. It is the cable A. You can
connect to the control devices such as speed
dome PTZ.
B
RS485 port
I/O port
RS485_B.It is the cable B. You can connect to
the control devices such as speed dome PTZ.
Power input
port Input 12V DC.
Power button Power on/off button.
PoE PORTS Built-in Switch supports PoE function.
Power input
port Switch power port. Input DC 48V.