Alarm Input Port; Alarm Output Port - Q-See QC40198 User Manual

INSTALLATION & CONNECTION

3.7.2 Alarm Input Port

Refer to the following sheet for more information.
Normal open or Normal close type
Parallel connect COM end and GND end of the alarm detector (Provide external power to the alarm detector).
Parallel connect the Ground of the combo DVR and the ground of the alarm detector.
Connect the NC port of the alarm sensor to the combo DVR alarm input (ALARM)
Use the same ground with that of combo DVR if you use external power to the alarm device.

3.7.3 Alarm Output Port

2 way relay alarm output (NO contact). Provides external power to external alarm device.
To avoid overloading, please read the following relay parameters sheet carefully.
RS485 A/B cable is for the A/B cable of the PTZ camera.
Model:
Material of the
contact
Rating R esistance
（
Load ）
Insulation
Figure 3-8
Relay Specification
JRC-27F
Silver
Rated switch capacity
Maximum switch power
Maximum switch voltage
Maximum switch currency
Between contacts with same
polarity
Between contacts with
different polarity
QC40198/QC40196 User Manual
30VDC 2A, 125VAC 1A
125VA 160W
250VAC, 220VDC
1A
1000VAC 1minute
1000VAC 1minute