Philips WV-NW484S - Manual (Page 31)

31
Alarm In/Out Ratings
.............................................................................................................................. Note
• Check the Operating Instructions (provided) to see if the ratings of sensors and other
external devices are compatible with the camera ratings.
...................................................................................................................................
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