Quick Start Guide
3
Table 2-2 Audio I/O
Port
Port Name
Description
Audio
AUDIO_OUT 1
Connects to speaker to
output audio signal.
AUDIO_OUT 2
AUDIO_IN 1
Connects to sound-pick-up
device to receive audio signal.
AUDIO_IN 2
AUDIO_GND
Ground connection.
For more information about I/O port, see Table 2-3.
Table 2-3 Alarm information
Port
Port Name
Description
Alarm I/O
ALARM_OUT
Outputs alarm signal to alarm device.
When connecting to alarm device, only the
ALARM_OUT port and ALARM_OUT_GND port with the
same number can be used together.
ALARM_COM
ALARM_IN
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_GND
