User Guide

Quick Start Guide
2
No. Port Name Description
2 Ethernet Port Connects to network with network cable. 
Provides power to the device with PoE. 
PoE is available on select model.
3 Audio input Connects to sound-pick-up device to receive audio signal.
4 Audio output
Connects to speaker to output audio signal.
5 Alarm I/O Includes alarm signal input and output ports, the number of I/O ports
Might vary on different devices. For detailed information, see
Table 1-2.
Table 1-2 Alarm I/O port information
Port name No. Connector name Description
I/O port
1 ALARM_OUT1
Alarm output port 1 outputs alarm signal to alarm
device.
When connecting to alarm device, only the
ALARM_OUT 1 port and ALARM_OUT_GND 1 port
with the same number can be used together.
2 ALM_OUT_GND1
3 ALARM_IN1
Alarm input port 1 receives the switch signal of
external alarm source.
4 ALARM_IN2
Alarm input port 2 receives the switch signal of
external alarm source.
5 ALM_IN_GND Alarm input GND.
6 ALARM_OUT2
Alarm output port 2 outputs alarm signal to alarm
device.
When connecting to alarm device, only the
ALARM_OUT 2 port and ALARM_OUT_GND 2 port
with the same number can be used together.
7 ALM_OUT_GND2
Connecting Alarm Input/output 1.2
Alarm input/output is available on select models.
Connect alarm input device to the alarm input end of the I/O port. Step 1
Device collects different states of alarm input port when the input signal is idling and being
grounded. Device collects logic "1" when input signal connecting to 3.3V or idling; device
collects logic "0" when input signal being grounded.