Quick Start Guide
2
Port
Port Name
Description
ALARM_OUT_GND
When connecting to alarm device, only the
ALARM_OUT port and ALARM_OUT_GND port with the
same number can be used together.
ALARM_IN
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_IN_GND
1.2 Connecting Alarm Input/Output
The camera can connect to external alarm input/output device through digital input/output.
Alarm input/output is available on select models.
Step 1
Connect alarm input device to the alarm input end of the I/O port.
Device collects different states of alarm input port when the input signal is idling and
being grounded.
●
Device collects logic "1" when input signal is connected to +3 V to +5 V or idling.
●
Device collects logic "0" when input signal is grounded.