H.264 Network DVR
Copyright 20090by hexacctv co.,Ltd
Appendix B: Alarm Input Interface Instruction
8CH alarm input,no input model limitation(often open or often close);
The alarm detector (GND) terminal parallel with com terminal (alarm detector is supplied by external power),
The alarm detector ground terminal parallel with DVR ground terminal.
NC terminal of alarm detector connect to DVR alarm input (ALARM)
If the users want to reset the alarm which has been triggered, a detector, such as smoke detector, which supply by the +12V DVR power and
controllable is needed.
The external power should share the same ground with the DVR if the device is supply by external power.
Summary of Contents for HSDVR3507A
Page 1: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd H 264 Network DVR User Manual Dec 2009...
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Page 26: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd Figure 4 2...
Page 58: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd Figure 8 1...
Page 61: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd Figure 8 4...
Page 66: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd Figure 8 9...
Page 77: ...H 264 Network DVR Copyright 20090by hexacctv co Ltd Figure 8 18...
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