Please refer to the following sheet for detailed information.
There are two types; NO (normal open)/NC
When your alarm input device is using external
power, please make sure the device and the DVR
have the same ground.
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.
VGA video output port. Output analog video signal.
Can connect to the monitor to view ananlog video
output.
Connect to audio input device such as speaker.
Connect to analog camera, video input signal.
Connect to USB storage device, mouse, burning
DVD-ROM and etc.
RS485
( RS-485 )
communicati
on port
RS485_A port. It is the cable A. You can connect to
the control devices such as speed dome PTZ.
RS485_B.It is the cable B. You can connect to the
control devices such as speed dome PTZ.
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.