50SN Icon Name Note15 Power socket Power socket16 GND GND2.2.8 HCVR42XXL-S2 SeriesThe rear panel is shown as in Figure 2-23The following figure is based on the HCVR4232L-V2 series product.Figure 2-23Please refer to the following sheet for detailed information.SN Icon Name Note1 VIDEO IN Video inputportConnect to analog camera, video input signal.2 VIDEO OUT Video outputport Connect to output devices such as TV.31～16 Alarm inputport 1～16 There are four groups. The first group is fromport 1 to port 4, the second group is from port 5to port 8, the third group is from 9 to 12, and thefourth group is from 13 to 16. They are toreceive the signal from the external alarmsource. There are two types; NO (normalopen)/NC (normal close). When your alarm input device is using externalpower, please make sure the device and theDVR have the same ground.NO1～NO3Alarm outputport 1～3 3 groups of alarm output ports. (Group 1：portNO1～C1,Group 2:port NO2～C2,Group 3:portNO3～C3）).Output alarm signal to the alarmdevice. Please make sure there is power to theexternal alarm device. NO：Normal open alarm output port.
