Pelco C2950M-D Security Camera User Manual


 
C2950M-D (3/10) 15
Unsupervised Alarms
When an alarm is configured as an unsupervised alarm, the camera only activates an alarm when the normal alarm state (open or closed)
changes.
Figure 12 illustrates the alarm and no alarm conditions of an unsupervised alarm input.
Figure 12. Unsupervised Alarm Conditions
Figure 13 illustrates the wiring configuration for unsupervised alarm inputs.
Figure 13. Normally Closed and Normally Open Unsupervised Alarm Input Wiring
NOTE: A normally closed alarm input can be defeated with a bypass; a normally open input can be defeated with a cut.
Alarm Connections
Figure 14 shows how to wire the camera to an alarm.
Figure 14. Alarm Connections
+V
+V
+V
+V
+V
+V
+V
+V
BYPASS
CUT
BYPASS
CUT
GND
ALARM
GND
ALARM
GND
NO ALARM
GND
NO ALARM
GND
NO ALARM
GND
ALARM
GND
NO ALARM
GND
ALARM
NORMALLY OPENNORMALLY CLOSED
A1A1
NORMALLY OPENNORMALLY CLOSED
ALARM
ALARM A1