Alarm connections
Alarm inputs can be set for normally open or normally closed, the default setting is
normally open. See page 109 for details on how to change the setting.
There are four alarm inputs and two ground connectors on each DVR.
Alarm inputs are activated in the following way:
Normally Open
Normally Closed
Normally Open
1
3
2
Connecting Alarm Outputs
Each unit has a single relay output.
The relay is voltage free contact rated at 1A 12v and is normally open closing on
activation.
The relay can be programmed to respond to different types of event, see pages 112 &
118 for details on setting the alarm output.
Engineer Manual
Inspire Black 960H DVR Range
Connect to ground to activate
Remove connection from ground to activate
4
G
OUT
Single Alarm Output
1
2
3
4
Normally Closed
1
3
2
G
OUT
35
4
G
OUT