www.acti.comHardware Manual18How to Connect Audio DevicesAudio input / output devices, such as an active microphone or speaker can be connected to thecamera using the supplied terminal block.Press and hold the orange tab as you insert the wire through the pin slot, then release the orangetab to secure the wire.To connect audio devices, map the pins to one of the pin combinations below:Device Pin Mapping InstructionsAudio Output (AO)AO_GND Connect the wires of the audio output device toAO_GND and A_OUT.A_OUTAudio Input (A1)AI_GND Connect the wires of the audio input device toAI_GND and A_IN.A_INNOTE: For more information about AUDIO in connections, please refer to the Knowledge Basearticle 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 DI/DO Use For Audio Use