BioSense Series Network Video Recorder User Manual
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14.5.
Alarm Connection
Name
Description
Name
Description
A, B
RS485 interface
NO1, C
Alarm out
NO2, C
Alarm out
NO3, C
Alarm out
NO4, C
Alarm out
1
－
8
Alarm in
G
Ground interface
14.5.1.
Alarm Input Connection
1.
Alarm input signal is switch signal. Support both open type and close type.
2.
Alarm detector’s Ground-terminal and DVR’s Ground-terminal are different.
3.
Alarm detector’s ON-terminal should be connected to the DVR’s alarm input interface.
4.
Alarm detector should be connected to the DVR’s Ground-terminal once the detector is powered by
external power supply.
14.5.2.
Alarm Output Connection
Alarm output signal is switch signal. Default mode is open. Alarm output equipment should be powered
by external power supply.
14.5.3.
PTZ Connection
A B
NO C NO C NO C NO C
1 2 3 4
A
B
P/T/Z 1
P/T/Z 2
P/T/Z 3
......
120Ω
P/T/Z n
+
-
+
-
+
-
+
-
