AGI Security SYS-HC0451S2 - Manual (Page 73)

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3 AUDIO IN Audio input port Connect to audio input device such
as speaker.
4 VIDEO IN Video input port Connect to analog camera, video
input signal.
5 Power input port Input 12V DC.
6 USB2.0 port Connect to USB storage device,
mouse, burning DVD-ROM and etc.
7 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.
8 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.
9 Network port 100M Ethernet port
10 AUDIO OUT Audio output port Connect to video output device such
as sound box.
11 GND Ground end
2.2.20 1080P (S2) Mini 1U Series
The 4-channel series rear panel is shown as below. See Figure 2-46.
Figure 2-46
The 8-channel series rear panel is shown as below. See Figure 2-47.