Chapter 2: Physical installation
12 TruVision DVR 12HD User Manual
16-channel model:
Description Use Specification
. RS-232 input Text insertion for point-of-sale and
ATM devices. Also used by technical
support.
See “Configuring the RS-232 port”
on page 102 for more information.
. Four alarm inputs Connect physical alarms such as
detectors, push buttons, etc.
. One alarm output Connect physical alarm outputs
such as siren, flash, relay.
. One audio input Connect microphone for bi-
directional audio (not recorded)
RCA jack, 315 mV, 40 kohms.
Unbalanced.
Line-level audio requires
amplification.
. Up to 16 BNC-type
connectors
Connect up to 16 analog cameras to
BNC connectors (depends on the
recorder model)
. USB 2.0 port Connect a mouse, CD/DVD burner
or HDD.
The recorder supports both a USB
mouse and a USB HD on the front
and back USB ports.
. BNC monitor output Connect one event CCTV monitor. 1 Vp-p BNC signal.
. HDMI monitor output Connect to a HDTV. The HDMI
connection supports both digital
audio and video.
. VGA monitor output Connect to a VGA monitor.