42
Figure 2-18
Icon
Port Name
Function
RS232
（
RS-422
）
It is for general COM debug to configure IP address or
transfer transparent COM data.
VGA video output
port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
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.
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 storage device, mouse, burning DVD-ROM
and etc.
Network port
10M/100/1000Mbps self-adaptive Ethernet port. Connect to
the network cable.
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 RS485_B.It is the cable B. You can connect to the control
devices such as speed dome PTZ.
Power button
Power on/off button.
Alarm input port
ground end
Alarm input ground end.
1
～
8
Alarm input port
1-8.
z
There are two groups. The first group is from port 1 to
port 4; the second group is from port 5 to port 8. 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.
