Dahua Technology IVSS, User Manual

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User's Manual
4
No. Button/Port Description
6 AUDIO IN Audio input port.
7 AUDIO OUT Audio output port.
8 HDMI
High definition audio and video signal output port.
The port outputs the uncompressed high definition video
and multi-channel audio data to the connected display
with HDMI port. The HDMI ports are different source
output.
9 VGA
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video. The VGA
ports are different source output. VGAn and HDMIn are
same source output. For example:
●
VGA1 and HDMI 1 are same source output.
●
VGA2 and HDMI 2 are same source output.
10 USB
Connects to external devices such as USB storage device,
keyboard and mouse.
11 Network
10/100/1000 Mbps self-adaptive Ethernet port. Connect
to the network cable.
12 Alarm output
8 groups of alarm output ports (NO1 C1–NO8 C8). Output
alarm signal to the alarm device. Please make sure there is
power to the external alarm device.
●
NO: Alarm output port of Normally Open type.
●
C: Common alarm output port.
●
: GND end.
13 Alarm input
16 groups (1–16) alarm input ports, they are
corresponding to ALARM 1–ALARM 16. The alarm
becomes valid in low level.
●
A and B: Control the A/B cable of the RS–485 device. It
is used to connect to the PTZ camera. Please parallel
connect 120 Ω between A/B cables if there are too
many PTZ decoders.
●
: GND end.