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Section 3 Back panel
Fig. 2
No. Interface
Connection
Description
1
(A IN) Audio input
connect simulate audio input device, standard BNC interface
2
(V IN)Video input
connect simulate video input device, standard BNC interface
3
(A OUT)Audio output
connect audio output device, standard BNC interface
Active device is requested while exporting audio
4
(V OUT) Video output
connect monitor, local video signal output
5 Alarm input and output.,RS485
and RS232
connect alarm input, alarm output device and PTZ
6
VGA interface
connect VGA display device, such as PC VGA display
7
RJ45 interface(UTP)
connect network
8 USB interface
connect USB device. Up-side link is USB2.0 which adapt to USB
storage device. Down-side link is USB1.1 which adapt to USB mouse.
9 intercom output
audio output while connecting with DVR_WEB, this port will occupy
the signal from “A OUT”, they are alternatively taken.
10 intercom input
audio input while connecting with DVR_WEB, this port will occupy
the signal from “A IN 1”, they are alternatively taken.
11 power supply(DC 12V)
12V volts D.C. input
Note:
Active device is requested while using intercom function.
Section 4 External alarm in/out connection
Alarm in
The alarm input is NO/NC input, and this DVR has 4 ports for alarm input.
While sensor signal output is connected to DVR input, the signal port is connected to “1-4” port of ALARM IN,
GND port connect to GND port. Default alarm input mode is “NO”. So ALARM IN port connect to GND will be