Dante DNA3300 Series Installation And Operation Manual
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Contents
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2.3 Alarm Connection2.3.1 Alarm PortThe alarm port is shown as below. See Figure 2-7. The following figure is based on the DNA3700 series.Figure 2-7Icon Function1～16 ALARM1～ALARM16. The alarm becomes activated in thelow level.NO1 C1，NO2 C2，NO3 C3，NO4C4Four NO activation output groups. (On-off button).NO5 C5 NC5 One NO/NC activation output group. (On-off button).CTRL 12V Control power output. Disable power output when alarm iscanceled. Current is 500mA.＋12V Rated current output. Current is 500mA.GNDA/B 485 communication port. They are used to control devicessuch as PTZ. Please parallel connect 120TΩ between A/Bcables if there are too many PTZ decoders.Note Different models support different alarm input ports. Please refer to the specifications sheet fordetailed information. Slight difference may be found on the alarm port lausert.2.3.2 Alarm input portConnect the positive end (+) of the alarm input device to the alarm input port (ALARM IN 1～16) of theNVR. Connect the negative end (-) of the alarm input device to the ground end ( ) of the NVR. |
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