10SECTION 2: INSTALLING YOUR SYSTEMDVR9016N Back Panel (16 channel)VIN1 - VIN16Audio In 9 - 16Spot Audio OutAudio In 1 - 8Main Audio OutLAN HDMIMain Out(BNC)Spot Out (BNC)Main Out(VGA)PowerAlarm In/Out, SensorRS-485 TerminalsUSB PowerDC 12VConnector UsageVIN1 .. VIN16 Video channel input connectors.SPOT-VOUT Spot video out connector.LAN RJ-45 connector for Ethernet LAN.HDMI Main output through HDMI interface. This output is for viewing only.AUDIO IN 1-8 &MAIN-AOUTConnector for input adapter for channels 1 .. 8 audio (associated with video channel inputs 1 .. 8). and main audio out to speakers.POWER Power switch to turn the unit on and off.MAIN OUT VGA Standard VGA output to a display device, such as a computer monitor.AUDIO IN 9-16 &SPOT-AOUTConnector for input adapter for channels 9 .. 16 audio (for video channel inputs 9 .. 16). and Spot camera out for spot video to amonitor.DC 12V Connect to 12 Vdc power adapter.Alarm In/Out,SENSOR,RS485 TerminalsAlarms In 1 .. 16 terminations: For connecting to external sensor device, each alarm has one input pin. Connect positive (+)output pins of the alarm device to the inputs (Alarm In) on the DVR. Connect ground (-) output pins of the alarm device to the DVRGround slots (G). Multiple devices can be connected to one ground slot.Alarms out terminations: NO, COM pins for alarm out normally open (N.O.)RS-485 terminations: A, B pins for connecting to RS-485 network (PTZ camera control)MAIN OUT BNC Standard BNC output to a display device, such as a computer monitor.USB1, USB2 Use these USB ports to connect a mouse, or a backup device such as a flash drive or DVD recorder.2.3 If installing an internal HDDIf you are installing an HDD in your DVR, or upgrading an internal HDD, perform the installation before connecting your system.Refer to “APPENDIX CHDD Installation” on page 87 for recommended HDD models and specific procedures.