1812Alarm input/Alarmoutput Input/output alarm signal.3 VGA VGA video outputportVGA video output port. Outputanalog video signal. Canconnect to the monitor to viewananlog video output.4 AUDIO IN Audio input port Connect to audio input devicesuch as speaker.5 AUDIO OUT Audio output port Connect to video output devicesuch as sound box.6 VIDEO IN Video input port Connect to analog camera,video input signal.7 GND Ground end8 Power input port Input 12V DC.9 USB2.0 port Connect to USB storagedevice, mouse, burningDVD-ROM and etc.10 A RS485（RS-485）communicationportRS485_A port. It is the cable A.You can connect to the controldevices such as speed domePTZ.B RS485_B.It is the cable B. Youcan connect to the controldevices such as speed domePTZ.11 HDMI High definitionmedia interfaceHigh definition audio and videosignal output port. It transmitsuncompressed high definitionvideo and multiple-channel datato the HDMI port of the displaydevice.12 Network port 100M Ethernet port2.2.22 HCVR41XXHE-S3/HCVR51XXHE-S3/HCVR71XXH-S3/HCVR71XXHE-S3 /XVR41XXHE/XVR51XXH/XVR51XXHE/XVR71XXH/XVR71XXHESeriesTheHCVR41XXHE-S3/HCVR51XXHE-S3/HCVR71XXHE-S3/XVR41XXHE/XVR51H/XVR51XXHE/XVR71XXHE series rear panel is shown as below. See Figure 4-53.
