One Tech 1B-GS8004, User Manual

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7
○
4 fix the screw of hard disk
○
5 close cover
○
6 install the screws on both sides of shell
2.1.2 Rear panel
4CH
Item Interface Description
1 VIDEO IN 4ch video input
2 AUDIO IN 4ch audio input
3 V-OUT 1ch video output
4 A-OUT 1ch audio output
5 VGA VGA monitor
６
HD-OUT HDMI interface
７
NETWORK RJ45 for internet
８
USB First USB for backup or upgrade system of DVR; Second
USB for mouse
９
ON/OFF Power supply switcher
１０
DC-12V Power adaptor port
１１
ALARM IN
：
1 2 3 4 alarm input port
RS-485
：
A, B
ALARM OUT: N1 alarm output port, every channel connect
GND
、 OUT 、 COM;
every two channel OUT, COM port is for GND;
8CH
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