User's Manual
9
No. Name Description
11 HDMI port
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.
12 USB port
Connects to external devices such as USB storage
device, keyboard and mouse.
13 Network port
10/100/1000 Mbps self-adaptive Ethernet port.
Connect to the network cable.
14 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.
15 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.
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