800-16693 - A - 04/2014
Installing the DVR | 19
Alarm Input
The alarm input should be an open/closed dry contact relay. If an open/closed relay is not used,
connect the alarm input as follows:
Alarm Output
The alarm output relay supports connections to AC/DC loads. DC loads must be within the limit
of 12 V DC / 1 A.
Refer to the following diagram when connecting to AC/DC loads:
CAUTION Risk of electric shock. An external relay is necessary to prevent
electric shock when connecting to an AC load.
Connecting Power
Connect the supplied power adapter to the 12 V DC power input. It is strongly recommended
that you use an uninterruptible power supply when powering the DVR.
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