IC Realtime 4 Channel PoE Mobile Network Video Recorder - Manual (Page 26)

17
16
GND
17/18
PTZ control cable AB cable.
Bidirectional talk port interface is shown as in Figure 3-9.
Figure 3-9
Please refer to the following sheet for detailed information.
SN Function
1 12V/1A
2 GND
3 MIC IN
4 MIC OUT
5/6 Speaker+, speaker-
3.6.2 Alarm Input Port
Please refer to the following sheet for more information. See Figure 3-10.
Normal open or Normal close type.
Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).
Please parallel connect the Ground of the NVR and the ground of the alarm detector.
Please connect the NC port of the alarm sensor to the NVR alarm input(ALARM)
Use the same ground with that of NVR if you use external power to the alarm device.
Figure 3-10