LevelOne FCS-3083 User Manual page 10

Hardware Manual
4) Digital Input / Output (DI/DO) and Audio Input / Output
This connector connects to digital input or output devices, such as an alarm trigger, panic
button, etc., as well as audio input and output devices, such as microphones and speakers.
Digital Input (DI) and Digital Output (DO) devices are used in applications like motion
detection, event triggering, alarm notifications, etc. See Connecting DI/DO and Audio
Devices (Optional) on page 25 for more information.
10