Part 1 – Introduction
15
eSATA Connection
Connect external hard drives to these ports.
1
3
5
7
9
11
13
15
10
12
14
16
2
8
6
4
!
@
#
1
2
3
4
5
6
0
7
8
9
Do not connect or disconnect an eSATA device while
the NVR is powered on. To connect an eSATA device,
first turn off the NVR and unplug the power cable.
Connect the eSATA device and then power the eSATA
device first and then NVR back on. To disconnect an
eSATA device, first turn off the NVR and unplug the
power cable. Turn off the eSATA device and then
disconnect the eSATA connection cable.
RS-232 Connection
Connect an external device such as a POS unit to this
port.
RS-485 Connection
This NVR supports the RS-485 half-duplex serial
communication protocol for connecting to external
devices such as POS units.
Alarm Connection
Connect alarm connectors to these ports.
Press down on the button and insert the cable into
the opening. Release the button and then pull on the
cable slightly to ensure it is held securely in place. To
disconnect the cable, press down on the button again
and pull the cable out.
●
Alarm In 1 through 4
This NVR is capable of responding to event signals
from external alarm in devices. Connect mechanical or
electrical switches to AI 1 through 4 and the G (ground)
connector. In order to be recognized by the NVR,
the signal from an alarm in device must be less than
0.3V (Normally Open) and maintained for at least 0.5
seconds. The alarm in voltage range is 0V to 5V. For more
information on alarm in setup, refer to the
Alarm-In in
the operation manual
.
●
G (Ground)
Connect alarm in or out's ground cable to the G
connector.
All connectors marked "G" are common connectors.
●
NC/NO (Relay Alarm Outputs)
This NVR is capable of activating/deactivating buzzers,
lights, and other external devices. Connect the device to
the C (Common) and NC (Normally Closed) or C and NO
(Normally Open) connectors. NC/NO is a relay output
which sinks 2A@125VAC and 1A@30VDC. For more
information on alarm out setup, refer to the
Alarm-Out
in the operation manual
.
