Revo NVR User Manual
Page 14
Part 1 – Introduction
14
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 ALARM IN 1 through 4 and the
GND (ground) connector. In order to be recognized
by the NVR, the signal from an alarm in device must
be less than 0.3V 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 on page 46.
•
GND (Ground)
Connect alarm in or out's ground cable to the GND
connector.
All connectors marked "GND" are common
connectors.
•
NO (Relay Alarm Outputs)
This NVR is capable of activating/deactivating
buzzers, lights, and other external devices. Connect
a mechanical or electrical switch to NO and COM
connectors. Electrical specifications are 2A sync at
125VAC and 1A sync at 30VDC. For more information
on alarm out setup, refer to the
•
Connector Arrangement
ALARM IN
1 through 4
Alarm In 1 through 4
GND
Ground
ALARM OUT COM Relay Common
ALARM OUT NO
Normally Open Relay Alarm
Out (connected to COM port)
Power Cable Connection
This NVR does not feature a separate power on/off
button and will turn on the moment power is supplied.
Connect the connector(12V) of adapter to the NVR
and then connect the AC power cable of adapter to
the power outlet.
This NVR is built in PSE(Power Source Equipment) to
connect the PoE-enabled network camera. Connect
the connector(48V) of adapter to the NVR and then
connect the AC power cable of adapter to the power
outlet.
• Organize the power cable so that it will not cause
people to trip over or become damaged from
chairs, cabinets, desks, and other objects in the
vicinity. Do not run the power cable underneath a
rug or carpet.
• The power cable is grounded. Do not modify the
power plug even if your power outlet does not
have a ground contact.
• Do not connect multiple devices to a single power
outlet.