Hardware Manual
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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. 
Press and hold the orange tab as you insert the wire through the pin slot, then release the orange 
tab to secure the wire.   
D2xxA / E2xxA / E2xA / E27x 
E23B 
To connect audio devices, map the pins to one of the pin combinations below: 
  Device 
Pin 
Mapping Instructions 
Audio Output (AO) 
AO GND 
Connect the wires of the audio output device to AO 
GND and A_OUT or AO. 
A_OUT or   
AO 
Audio Input (A1) 
AI GND 
Connect the wires of the audio input device to AI 
GND and A_IN or AI.   
A_IN or 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://www.acti.com/support/KnowledgeBase/outside/detail.asp?KB_ID=KB20100114003). 
For Audio Use 
For Audio Use 










