ACM-4201 Hardware User’s Manual
9
4) Audio Output
The IP device supports audio output with earphone jack
5) Ethernet Port
The IP device connects to the Ethernet via a standard RJ45 connector. Supporting NWAY, this
IP device can auto detect the speed of local network segment (10Base-T/100Base-TX
Ethernet).
6) DV 12V Power Input
Connect the power adaptor here if your power input is DC12V.
7) Digital Input / Output *
Used in applications like motion detection, event triggering, time lapse recording, alarm
notifications, etc., the I/O terminal connector provides the interface to:
•1 Digital Input - An alarm input for connecting devices that can toggle between an open and
closed circuit, for example: PIRs, door/window contacts, glass break detectors, etc. The device
will detect the change in digital input and transmit the signal to video surveillance servers.
Connect pins 1 and 3 to your Digital Input device.
•1 transistor output - For connecting external devices such as relays and LEDs. Connected
devices can be activated by Output buttons on the Live View page or through video
management software. Connect pins 2 and 4 to your Digital Output device.
The I/O terminal pins are numbered left to right
This pin provides DC 12V power which can be
connected to Pin 4 via DO devices to complete a
DO circuit with a maximum current of 100mA.
Uses an open-collector NPN transistor switch
that connects to the internal ground to complete
the circuit with Pin 2. If used with an external
relay, a diode must be connected in parallel with
the load for protection against transient voltages.
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