LevelOne FCS-4042 Hardware User Manual page 10

5) Digital Input / Output
The colored cables 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. Please refer to
Digital Input / Digital Output Devices on page 29
devices to your camera.
6) Audio Output
This jack connects to an audio output device, such as a speaker.
7) Audio Input
This jack connects to an audio input device, such as a microphone with built-in amplifier.
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.
Hardware Manual
for information on how to connect DI/DO
10
How to Connect