Panasonic WV-NW502SK - Manual (Page 30)

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Connect an external amplifier-embedded speaker to the audio output connector
(for use of the audio transmission function).
Connect a stereo mini plug (ø3.5 mm) (monaural output).
• Recommended cable length: 10 m {33 ft} or less
c
Connect the alarm input/output cable.
Rating of ALARM IN/OUT
<Ratings>
• ALARM OUT
AUX OUT / EXPOSURE OUT
Output specification: Open collector output (maximum applied voltage: DC 20 V)
Open: DC 4 - 5 V by internal pull-up
Close: Output voltage 1 V DC or less (50 mA or less)
• ALARM IN1 / DAY NIGHT IN
ALARM IN2
ALARM IN3
Input specification:
Non-voltage make contact input
(DC 4 - 5 V internal pull-up)
OFF: Open or DC 4 - 5 V
ON: Make contact with GND (required drive current: 1 mA or more)
Note:
• Check if rating of an external device such as a sensor is applicable to the rating of this
product by referring to the provided operating instructions.
4P alarm cable (accessory) pin configuration
1 Black GND
2 Gray ALARM IN3/AUX OUT/EXPOSURE OUT
(Alarm input terminal 3/AUX output terminal/exposure timing output terminal)
3 Red ALARM IN2/ALARM OUT
(Alarm input terminal 2/alarm output terminal)
4 Green ALARM IN1/DAY NIGHT IN
(Alarm input terminal 1/color-BW selection input terminal)