Operating instructions

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3.2 Optional Connections
 Audio input
Connect the audio input connector to the audio line-out from system cameras or other audio
source. Please make sure to associate the audio input with the camera in Camera Setup as
described in Section 6.2.
 Audio output
Connect the audio output connector to the audio line-in of the speakers.
 Alarm inputs
Connect the alarm inputs to NC and/or NO type of alarm signals. Please make sure to setup the
alarm configurations as described in Section 6.3.
 Alarm outputs
Connect the alarm output #1 to NC type of alarm signal, alarm output #2 to NO type of alarm
signals.

Ethernet
Connect the Ethernet connector to a standard twisted-pair Ethernet cable for remote access via
LAN or internet. Please make sure to setup the related configurations as described in Section
6.10 Network Setup.
 USB 2.0 disk drives, DVD+RW, card reader, etc.
If the user wants to use USB2.0 peripheral device to retrieve important recorded images and/or
audio, please connect it to the USB port connector.
 I/R remote controller
The user may use I/R remote controller to control the digital video/audio recorder.
 Call monitor
Connect the call monitor output connector to a surveillance monitor. This monitor displays the
full screen images of the cameras associated with the events (alarm or motion) or the images
from the installed cameras sequentially according to the SEQ Display Setup (Section 6.4) for call
monitor.
 PTZ Cameras
Connect the RS-485 connector to PTZ camera(s) via the appropriate cable. The system supports
a variety of different PTZ cameras, including Pelco D protocol Dome and SamSung SCC-641P.
But different PTZ cameras can coexist in a system only if they support the same protocol. Please
make sure to set the PTZ ID of the camera(s) and setup the camera (Section 6.1) and RS-422/485
(Section 6.9).