Talos Security DR800 Series DVR User Manual - Manual (Page 10)

H.264 Network DVR
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2.4. REAR PANEL
4CH
GND ground NET INTERNET INTERFACE AOUT Audio output
NCX,NOX Alarm Out USB with USB Mouse, USB Disk VIN-IN Video input
ALARM
1,2,3,4 Alarm in MOUSE with USB Mouse AIN-IN Audio input
RS-485 RS485 VGA VGA output VOUT Video output