Manual

31
device.
 NO: Normal open alarm output
port.
 C: Alarm output public end.
 NC: Normal close alarm output
port.
A
RS485 （RS-485）
communication
port
RS485_A port. It is the cable A. You
can connect to the control devices
such as speed dome PTZ.
B
RS485_B.It is the cable B. You can
connect to the control devices such
as speed dome PTZ.
T+,T-, R+, R-
Four-cable
full-duplex 485 port
Four-cable 485 port. T+ and T- is
the output cable and R- is the
receive cable.
CTRL 12V
Control power
output
Turn off power output
8
Network port
100M Ethernet port
9
VGA
VGA video output
port
VGA video output port. Output
analog video signal. It can connect
to the monitor to view analog video.
10
RS-232
RS-232 debug port
It is for general COM debug to
configure IP address or transfer
transparent COM data.
11
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.
12
eSATA
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.
13
USB2.0 port
Connect to mouse, USB storage
media, USB-burner and etc.
2.2.4 General 720P 2U Series
The rear panel is shown as in Figure 2-7.