Videovox Pro LNS series Manual de usuario Pagina 27

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Figure 3-8
Please refer to the following content for alarm input port information. See
372HFigure
3-9.
z 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 If you need to reset the touched-off alarm remotely, you can use DVR to supply
controllable 12 V power to the alarm detector such as the smoke detector.
z Use the same ground with that of DVR if you use external power to the alarm
device.
Figure 3-9
2.7.83.7.8 Relay Output Description
z 6 ways relay alarm output. Provide external power to external alarm device.
z To avoid over loading, please read the following relay parameters sheet carefully.
(See below table)
z The controllable +12v can be used to restore the smoke detector.
Please refer to
373HFigure 3-10 for alarm input module information.
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