Chapter 2: Physical installation
TruVision NVR 70 User Manual 9
Description Use Specification
. One audio input Connect a microphone for bi-directional
audio (not recorded)
RCA jack, 315 mV, 40 kohms.
Unbalanced.
Line-level audio requires amplification.
. eSATA Connect an optional eSATA drive to
extend the internal storage.
. 16 alarm inputs Connect physical alarms such as
detectors, push buttons, etc.
. Redundancy power
supplies (X2)
Connect two PSUs. The PSUs are shipped with the
recorder.
. SFP port Plug a small form-factor pluggable
transceiver into the port in order to
connect fiber cables.
. Ethernet ports Connect to a network.
. USB 3.0 port (X2) Connect a USB device, CD/DVD burner
or HDD.
. Restart pin hole Access to the reset button.
Hold down the reset button for seven
seconds to reset the network settings.
Note: This might cause the cameras to
stop recording and the software to be
unable to connect to the recorder.
. RS-232 input Text insertion for point-of-sale and ATM
devices. Also used by technical support.
See “Configure the RS-232 port” on
page 90 for more information.
. Eight alarm outputs Connect physical alarm outputs such as
a siren, flash, relay.
. Ground Connect to ground.
HDD slots
The TVN 70 has four rows of 4 HDD slots. This allows 16 HDDs to be connected. The slots are
accessed from the front panel for easy expansion or replacement of the hard drives.
Each HDD slot can support 4 or 6 TB HDDs. The total onboard storage capacity is 64 TB in
RAID configuration, or 96 TB in a non-RAID configuration. The storage capacity can be further
expanded by using the USB 3.0, eSATA, or NAS functionality.