31
Alarm In/Out Ratings
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Note
• Check the Operating Instructions (provided) to see if the ratings of sensors and other
external devices are compatible with the camera ratings.
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Pin Arrangement of 4-pin Alarm Cable (accessory)
Terminal Name
Rating
Remarks
ALARM IN
5 V DC pull-up built in
ON
Short-circuit with GND (necessary
drive current is 1 mA or greater)
OFF
Open or 4 V DC to 5 V
ALARM OUT
Open collector output (internal pull-
up/maximum drive current 50 mA),
latch/pulse
Latch/pulse setting
selectable
OPEN
4 V DC to 5 V
CLOSE
1 V DC maximum
AUX OUT
Open collector output (internal pull-
up/maximum drive current 50 mA)
OPEN
Open or 4 V DC to 5 V
CLOSE
1 V DC maximum
DAY/NIGHT IN
DC 5 V pull-up built in
Terminal shared with
ALARM OUT. Can be
selected in settings
(Default setting: ALARM
OUT)
ON (black and
white)
Short-circuit with GND (necessary
drive current is 1 mA or greater)
OFF (color)
Open or 4VDC to 5V
1 Black
GND
2 Gray
AUX OUT
3 Red
ALARM OUT or DAY/NIGHT IN
4 Green
ALARM IN
