ACTi A21 - Page 20

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Hardware Manual
20
How to Connect Audio Devices
Audio input / output devices, such as an active microphone or speaker can be connected to the
camera using the supplied terminal block.
1. Map audio device wires through the pin slot on the supplied terminal block.
2. To connect audio devices, map the pins to one of the pin combinations below:
Device
Pin
Mapping Instructions
Audio Output (AO)
GND
Connect the wires of the audio output device to GND
and AO.
AO
Audio Input (A1)
GND
Connect the wires of the audio input device to GND
and AI.
AI
NOTE: For more information about AUDIO in connections, please refer to the Knowledge
Base article How to Use Audio-in of ACTi Cameras, downloadable from the link below
(http://Download.acti.com?id=534).
3. When ready, connect the terminal block to the I/O connector of the camera.
For Audio Use