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IC Realtime Specialty: 4-CH Mobile DVR User Manual

Page 30

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30

Figure 3-9

Please refer to the following sheet for detail information.

SN

Function

1 GND

2 Microphone

3 GND

4 Earphone

5

Power control

6

A cable

7 GND

8 B

cable


3.7.2 Alarm Input Port

Please refer to the following sheet for more information. See Figure 3-10.
z

4/8/16-ch grounding alarm inputs. (Normal open or Normal close type)

z

Please parallel connect COM end and GND end of the alarm detector (Provide external

power to the alarm detector).

z

Please parallel connect the Ground of the DVR and the ground of the alarm detector.

z

Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)

z

Use the same ground with that of DVR if you use external power to the alarm device.

Figure 3-10