DVR User’s Manual
9
Connecting Short-term Device
If any short-term devices shall be installed to the DVR as parts of the unit
system, such as USB ThumbDrive
®
or any USB devices, etc., make sure
those devices are connected only after the unit is powered on. The reason is
because the DVR can recognize the external devices only after the power-on
process is done completely.
2.4
Rear Panel Connectors
There are various connectors on the rear panel for the DVR installations. The
connectors are described as the followings.
VGA Output
VGA output connectors are offered for connecting to
VGA main monitors. Some models provide
one
while
other
models
provide
two
VGA connectors.
Digital Output
A digital output connector is provided for connection to a
displaying device that transfers data digitally to show the
best video quality.
Video Input
A group of BNC connectors is offered for video input streams from installed
cameras. The number of connectors is equal to the number of channels.
Main Audio Out
The DVR provides a main audio out connectors for
connection to an audio output devices, such as an
amplified speaker.
Audio In & RS-485 & Alarm I/O
A terminal block provides ports to connect
audio input, alarm input/output and RS-485
devices. Refer to
Setup Guide
for detailed pin
definitions.
