Dahua DH-IPC-EBW81242N-AS-S2, Быстрый старт

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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 and Table 1-3
Table 1-2 Alarm I/O port information (1)
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_OUT_G
ND
ALARM_IN
Receives the switch signal of external alarm source.
Connect different alarm input devices to the same
ALARM_IN_GND port.
ALARM_IN_GN
D
Table 1-3 Alarm I/o port information (2)
Port Port Name Function
Alarm I/O
ALARM_OUT Outputs alarm signal to alarm device.
ALARM_IN Receives the switch signal of external alarm source.
ALARM_GND Ground connection.
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 is grounded.