ACTi B922 - Page 11

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Hardware Manual
11
No.
Item
Description
5
Audio Input
This jack connects to an audio input device, such as a
microphone with built-in amplifier. See How to Connect Audio
Devices on page 37.
NOTE: Make sure that the connected audio input device has a
built-in amplifier. Connecting an ordinary microphone will dwarf
sounds and will result in inaudible recording.
6
Digital Input / Output
The two (2) connectors connect to digital input or output
devices, such as an alarm trigger, panic button, etc. Digital
Input (DI) and Digital Output (DO) devices are used for
applications like motion detection, event triggering, alarm
notifications, etc. See How to Connect Digital Input / Digital
Output Devices on page 32 for information.
7
AC 24V Power Input
This jack connects to the power adapter and power cord to
supply power to the camera. See How to Use the Power
Adapter on page 30.
8
Ethernet Port
The Ethernet port connects to a network using a standard
Ethernet cable.