
22
8 & 16 Channel DVR Operation manual Revision 1.0
1.5.3 Video
Out
The unit has two composite video outputs, one S-video output, one VGA output.
Also one spot output allows users to select specific channel for special monitoring.
1.5.4 Audio
Use IN for a Line input
and OUT for speaker output.
1.5.5 RS-232
Use this connector to connect RS-232 cable to the serial port on your PC to
control the DVR or to perform Quick Installation.
1.5.6 PTZ/AUX/ALARM
1.5.6.1 RS-485+,
RS-485-
DVR uses RS-485 protocol to control PTZ Receiver, Speed Dome, and Auto-
focus camera. Be sure to match the polarity.
1.5.6.2 AUX
1~5
AUX Port consists of 2 input ports (AUX 1,2) and 3 output ports (AUX 3,4,5)
and the function of each port is selectable according to user’s purpose, user’s
access to external DVR, or controllers using the supplied DB-15 connector.
1.5.6.3 Alarm Out (NO, COM, NC)
The Alarm output is activated using a relay contact point when an alarm event occurs for the
duration of the alarm event.
Select from Normal Open Relay or Normal Close Relay.