Rear panel connection description:
(1) "1-8/ 1-16": video input inte rfaces, connecte d with v ideo ou tput of the Video Camera. BNC interface.
(2) "IN": audio input interface, supporting LINE IN audio input signals. AV interface.
(3) "MON": video output interface, connected with video input interface of the monitor. BNC interface.
"SPOT": the auxiliary output interface. ( No SPOT for Non-real time DVR.)
(4) "OUT": audio output interface, connected with the earphone or cable speaker.
(5) "NET": RJ -45 network interface, which can connect the network cable and is used in network browse or control.
( 6) " USB": USB interface, connected to U disk or mouse and used for system software upgrade or video file backup.
(7) "VGA": VGA video signal output interface, connected with the VGA interface of a computer monitor.
(8) "485": it can connect PTZ or decoder, and can control PTZ via the panel, mouse, remote control and network.
"NC/NO/COM": the alarm relay output. NC is normal close, NO is normal open, COM is the public terminal.
"1-4", "5-8", "9-12", "13-16": the alarm input with optical coupler isolation.
(9) "POWER": DC 12V/4A or AC 110V~230V.
Network Digital Video Recorder Operation Manual ( V3.0 )
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