Alarm Input; Alarm Output; Alarm Input And Output Details - WatchNet RTS series Installation And User Manual

activities, including triggering a relay device, sending an alert to a security office
or storing pre-alarm video to the DVR.

3.7.5 Alarm Input

Check the alarm input mode if it is grounding alarm input or not. For this series
DVR, grounding signal is needed for alarm input. If connecting two units or one
DVR and other device, please use a relay to separate them. Please refer to
Figure 3-6 for more information.
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3.7.6 Alarm Output

Do not connect alarm output port directly with high power load (no more than 1 A)
in case of heavy current. Use the co-contactor to utilize the connection between
the alarm output port and the load. Please refer to

3.7.7 Alarm Input and Output Details

Refer to the following sheet and
information.
Parameter Grounding Alarm
Ground Ground line
Alarm Input 1, 2, ..., 16
Relay Output 1,2,3,4: NO and C(Normally Open and Com)
5: NO,C and NC(Normally Open, Com, Normally Closed)
6: Ctrl 12V(This is used for reset the sensor)
RS-485 A & B RS-485 communication port. They are used to control
devices such as a PTZ. camera
+12v & C This should input an external power input.
• 4/8/16-ch grounding alarm inputs. (Normally open or Normally close type)
• Please parallel connect COM end and GND end of the alarm detector (Provide
external power to the alarm detector)
Figure 3-6
Figure 3-7 for more information.
373H
Figure 3-7
Figure 3-8 for alarm input and output
374H
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