ACTi D21FA User Manual
Page 13
Hardware Manual
5) Power LED
The Power LED turns on when the camera is powered on and the system is running.
6) 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
How to Connect DI/DO and Audio
on page 16 for more information.
7) DC Iris Port
When a DC iris lens is used, connect the lens cable to this port.