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installation & connection
40_ installation & connection
Connecting to the I/O port box
Connect the Alarm I/O cable to the corresponding port of the port box.
• ALARM-IN : Used to connect the alarm input sensor or external day/night sensor.
• ALARM-OUT : Used to connect the alarm output signal.
• GND : Common terminal to connect alarm signals.
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If devices (e.g., flashing light and siren) that exceed the voltage and current specifications are
connected by using the open collector method, it may cause malfunction.
Refer to the “Alarm Out Wiring Diagram” when connecting devices that exceed the voltage and
current specifications. (page 41)
<SND-5084R>
Sensor Alarm
(Warning lamp)
<SNV-5084R>
Sensor Alarm
(Warning lamp)